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Keto Mug Cake – Chocolate or Vanilla! This chocolate keto mug cake is another one of my favorite quick treats! I give instructions for vanilla and chocolate keto mug cakes!

KETO MUG CAKE IN A COLORFUL POLISH POTTERY MUG

Do you know how much I love my microwave?  I am team microwave!  Keto Mug Cake is another one of my favorite recipes using that trusty machine!

My 90 second Low Carb Bread is another one of my microwave recipes.  So good for sandwiches!

This keto mug cake is so easy to make with only 6 ingredients.

It’s also easy, rich and chocolatey, and ready in under 5 minutes!

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chocolate cake in a colorful mug

For this keto mug bread, you can make it chocolate or vanilla.  All you need to do is omit the cocoa powder from the recipe for a vanilla version that is just as delicious!

You’ll also see in the recipe card below that I provide instructions for almond flour or coconut flour.

I’ve really grown to love coconut flour lately because it is so much more affordable than almond flour.  I know some people do not like the taste of coconut flour, so almond flour instructions are provided!

cake on a spoon

I just love having these easy treat recipes in my back pocket to help me stay on track!  You will also love my easy Butter Cookie Energy Bites.  They are the most popular recipe on my site!  I think everyone loves easy recipes!

Have this keto mug cake with some Keto Coffee!

4.98 from 45 votes
chocolate cake in a colorful mug
Keto Mug Cake - Chocolate or Vanilla!
Prep Time
4 mins
Cook Time
1 min
Total Time
5 mins
 

This chocolate keto mug cake is another one of my favorite quick treats! I give instructions for vanilla and chocolate keto mug cakes...using coconut flour or almond flour!

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Course: Dessert
Cuisine: American
Servings: 1
Calories: 220 kcal
Ingredients
Instructions
  1. In a coffee mug, melt the butter in the microwave for 10 seconds.  Add the coconut flour, swerve, cocoa powder, baking powder, and beaten egg.  

  2. Mix well.  Microwave on high for 60 seconds, being sure not to overcook.  If you overcook it, it will be dry.

  3. Top with a few chocolate chips if desired.  

Recipe Video

Recipe Notes

Macros for chocolate mug cake with coconut flour and no chocolate chips: 216 cal / 18g fat / 7.5 carbs / 4.5g fiber / 8.5g protein

  1. If you want to make this a vanilla cake, omit the cocoa powder and add the vanilla.
  2. To bake in the oven, Mix everything in an oven safe ramekin and put in a 350F oven for 10-15 minutes.

⭐ Did you make this Keto Mug Cake Recipe?  Tag me on Instagram so I can see! @lowcarbwithjennifer

 

This chocolate keto mug cake is another one of my favorite quick treats! I give instructions for vanilla and chocolate keto mug cakes...using coconut flour or almond flour! #ketodesserts #keto #ketorecipes #lowcarbrecipes

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    • Lynette
    • October 12, 2018
    Reply

    If using stevia how many packets do you think it will require?

      • jenniferbanz
      • October 12, 2018
      Reply

      I am not sure but you can look at this guide for a conversion: https://www.wholesomeyum.com/natural-low-carb-sweeteners-guide-conversion-chart/

    • Olive
    • October 12, 2018
    Reply

    Wow this was great! I added a little sour cream to keep it moist, and I cooked it for 50 secs . Amazing! Luckily I used a high quality cocoa powder, that was the star of the mug LoL be thank you!

    • Holly
    • October 11, 2018
    Reply

    I made the vanilla mug cake with coconut flour and OMG!!! It was amazing! I plopped mine out of the mug, spread a little organic crunchy peanut butter over the top, then drizzled sugar free maple syrup over that (not too much, just a little to add flavor) and it was excellent!! Thank you so much for this recipe!

    • Stacey
    • October 8, 2018
    Reply

    I have been wanting a chocolate chip muffin. So I made the vanilla version and stirred in the chocolate chips. YUMMMMM! You are awesome!

    • Irianne
    • October 8, 2018
    Reply

    Absolutely delicious!! Will def make it again

    • Christine
    • October 4, 2018
    Reply

    This was so delicious I felt guilty after eating it even tho its very Keto friendly! The portion size was big as well so it was very filling! I think I might even measure out small packets of the dry ingredients so it’ll be super duper quick and easy to make whenever! Thanks for the recipe!

    • Jodi
    • October 3, 2018
    Reply

    Yummo!! It’s delicious. I usually don’t have a sweet tooth but I’ve been craving something sweet and don’t have anything in the house. I found another mug cake recipe a few days ago. Made it, hated it. It just made my craving worse. Decided to try one more time and found this recipe. Made it, loved it!! Thank you, thank you, thank you!!

    • Val
    • September 29, 2018
    Reply

    This is very delicious, but I felt it was a little dry, especially towards the bottom. So I tweaked it: I used coconut flour, I reduced it to 1 tablespoon sweetner(I use monkfruit) I also only did the egg yolk, and added 2 teaspoons of water. It was perfect, it was very moist but not spongy because of the egg white. Definitely a great afternoon delight.

    • Kay Marie
    • September 27, 2018
    Reply

    The consistency was spot on esp w the butter. So easy and quick. I used 1 tbsp and 1/2 of lakanto monkfruit and it was way too sweet also live in nc high humidity I had to cook it at 75 secs. This is a keeper, however, I will reduce sweetener to half next time.
    Thanks

      • Beth
      • October 1, 2018
      Reply

      Thank you Jennifer for this recipe. I made it last night for my daughter who is on a gluten-free elimination diet for some digestion troubles and was sad to miss out on her sister’s birthday cake. She loved it! I used regular sugar for the sweetener and added the chocolate chips because she’s not on a low carb diet and it turned out perfectly. She didn’t feel left out of the celebration.

        • jenniferbanz
        • October 1, 2018
        Reply

        That is so great to hear. I am so glad your daughter liked it!

    • Rachael
    • September 22, 2018
    Reply

    The cake is AWESOME! Thank you for the recipe. I used almond flour. I put it in my fitness pal and carbs were high. How do you figure your carbs when using erythritol? I’m new to this keto thing.

      • jenniferbanz
      • September 23, 2018
      Reply

      Since Erythritol is 0 net carbs I don’t even add it in the calculations

      • S
      • September 25, 2018
      Reply

      Rachel, You can also look for a listing in MFP that uses net carbs so that your recipe still has it listed but the carb count is correct. ☺

    • Joyce
    • September 15, 2018
    Reply

    This mug cake was perfect!!! So moist and flavorful! I followed the recipe exactly using almond flour and no added chocolate chips. I poured some whipping cream on top, as I love milk and cake, and it was delicious. I have only tried one other mug cake recipe and it used mayonnaise, I truly believe the butter makes all the difference. This recipe has a higher calorie count and carb count than the mayo recipe but not enough to through off my daily carb count. Thank you for this recipe that is better than any “regular” cake I have had. Totally satiating, do not miss cake anymore!!!

    • Jennifer
    • September 14, 2018
    Reply

    Made this love it was good but added just a bit of peanut butter not a lot especially good when craving a Reese cup

      • jenniferbanz
      • September 14, 2018
      Reply

      Great idea!

    • Gayle
    • September 13, 2018
    Reply

    So good! Thanks! My first Keto chocolate cake. Some mods I made: 1 TBSP of Swerve Granular Sugar Replacement (vs. 2 TBSP) plus a couple of drops of French Vanilla Stevia. Plus 1/4 tsp of Espresso Powder and a small pinch of Kosher Salt. Once made, I sprinkled with Lily’s Dark Chocolate Chips (no sugar added – 1 net carbs) and some Swerve Confectioners Sugar Replacement. I will make this again.

    • Jen
    • September 10, 2018
    Reply

    This is hands down the best mug cake recipe have made. Very moist and chocolatey. Perfect for a chocolate craving. I used almond flour and just sprinkled a little powdered Swerve on top! Perfect!

    • Becky
    • September 10, 2018
    Reply

    So good! I have missed having cake – this recipe is perfect!!

    • RGWL
    • September 5, 2018
    Reply

    I just ate this and loved it! However, after doing the math, I realized that you said “optional” for chocolate chips. Were they not accounted for in the nutritional calculations? I used sugar free from Hershey’s, and it said that the chips alone have 8 net carbs, but the rest is what you said. It really was so good though!

      • Gayle
      • September 13, 2018
      Reply

      I used Lily’s Dark Chocolate Premium Baking Chips (No Sugar Added) which has only 1 net carb for 60 chips and is sweetened with Stevia Extract. You can get this at Whole Foods. Yum!

    • Martha
    • August 26, 2018
    Reply

    Omg! My favorite mug cake! ❤️

    • Pat
    • August 23, 2018
    Reply

    Of course I didn’t do this exactly right, but it came out beautifully anyway! It was so good and was perfect for that chocolate/sweet craving I was having. I’m so glad I found this recipe. Tasty recipes like this make Keto even easier! Thanks for helping me stick to it!

    • Mikayla
    • August 21, 2018
    Reply

    This was soooo good!! Would it be possible to up the amounts and make a full size cake in the oven? Would it turn out the same? I’m not sure what the proportions would be…

      • jenniferbanz
      • August 22, 2018
      Reply

      I’m not sure as I haven’t tried that. If you try let me know how it works out!

        • Nikki
        • September 3, 2018
        Reply

        Hello…
        This is delicious Jennifer.. I did double it (except sweetener .. I used 2.5 tablespoons) and I microwaved it in a China basin… it came out perfect and hubby loved it too x

    • Angela Latimer
    • August 20, 2018
    Reply

    Ya’ll. This is the BEST mugcake recipe! SOOOOOOO GOOOD!!! i use the confectioners Swerve and it comes out amazing! Thanks Jen!!

    • Chris
    • August 12, 2018
    Reply

    The vanilla version was delicious. I added a dollop of homemade unsweetened whipped cream and some cinnamon.
    Wonderful for keto! Thank you.

    • Brittney
    • August 12, 2018
    Reply

    Me again…as mentioned I’ve been playing with the recipe. Today I used coconut flour and subbed the vanilla extract for almond extract. Y’ALL! It was amazing. Thanks to such a simple and delicious recipe, it’s so easy to give myself options by changing the extract flavor and topping with a few berries to stay in my macros. Jennifer thank you!!! I’m working my way through your recipes but this is a staple because I always have a sweet tooth! 😊 Next flavor will be lemon (saw a lemon extract) followed by orange. THANK YOU!

    • Kristen
    • August 11, 2018
    Reply

    This is so, so good! I just made it for the 5th time since I found this recipe about 2 weeks ago. It’s my go to sweet-tooth recipe now! I do the cocoa with almond flour, no added chips. I do love it with sugar free whipped cream on top.

    • Natalie
    • August 8, 2018
    Reply

    I am new to Keto and this was delicious. I only had liquid stevia on hand and 3/4 tsp seemed to work well. Do you know how many net carbs are in the almond flour chocolate mug recipe? I was figuring 3, but wanted to ask.

    • Carly
    • August 6, 2018
    Reply

    Love it, I did the vanilla version with some blueberries and splashed just a bit of heavy cream on the top. So good.

    • Lara
    • August 6, 2018
    Reply

    This was wonderful! Thank you! I made the vanilla version with coconut flour. I used just a little over 1tbsp of the erythritol/monk fruit sweetener blend I have on hand, but after it cooked I added a small pat of butter on the top, and sprinkled on a bit of the sweetener blend. Awesome!!

    • Brittney
    • August 1, 2018
    Reply

    OH. EM. GEE. I made the vanilla version (I could probably add more vanilla next time) but this is AWESOME! I topped it with a teaspoon of peanut butter and it was amazing! I’ll be playing with this base and adding a few blueberries and strawberries for breakfast. I have been looking up mug cakes and they all have some random obscure ingredient that I don’t have. These are AMAZING and so simple!!! THANK YOU!!!

    • Marlea
    • August 1, 2018
    Reply

    Can you make with monk fruit sweetener?

      • jenniferbanz
      • August 7, 2018
      Reply

      You can but I am not sure on the amount

      • Mikayla
      • August 21, 2018
      Reply

      I used a teaspoon of Lakanto monk fruit and it turned out delicious!

    • Carey
    • July 31, 2018
    Reply

    Holy cow! I just tried the vanilla version-with some slices of peach on top. (I “needed” peach cobbler! 😆) Really great!! Thanks!

    • Lynn
    • July 31, 2018
    Reply

    Just ate a chocolate one now. I’m bad!! I made it with coconut flour and baked it for 67 seconds, a few seconds too long. I used almond flour for the vanilla ones and had to bake them for a few more than the 60 seconds called for. Still better than the other chocolate mug cake I tried.

    • Aleta Abejero
    • July 30, 2018
    Reply

    Was craving for chocolate pava cake from Chilis. Not anymore! Thanks to your recipe I am saved! Haha! It’s pretty good my stepdaughter ended up asking for one and she is a sugar addict and hate cakes but she loved your mug cake recipe

      • jenniferbanz
      • July 30, 2018
      Reply

      I’m so glad y’all liked it!

    • Lynn
    • July 30, 2018
    Reply

    I have a confession to make. I made the vanilla mug cake this morning and ate it. Just now I mixed up another one and set it in the fridge for later. I put a few choc chips on the one earlier and I’m going to put a few on this one with a dab of crushed, unsweetened strawberries. I have to say this is the best mug cake I’ve had to date. Hope I can wait for another hour or so.

      • jenniferbanz
      • July 30, 2018
      Reply

      That sounds amazing! I am not sure I could wait!

    • Brenda
    • July 28, 2018
    Reply

    Wow, I made this tonight, I am on a complete keto diet, my fiancé ate it, added the chips on top and strawberries, wow, can’t believe how good this is. Thanks for sharing this awesome recipe

    • Meredith
    • July 26, 2018
    Reply

    Easy and so so tasty! I subbed MCT oil for the butter, turned out just fine 🙂

    • Gina
    • July 25, 2018
    Reply

    Can you please let me know how you calculate only 3g carbs for this cake? After devouring it, I calculated the ingredients and, because of the erythritol, came to a ridiculous 27g 🙁 Please tell me it’s only 3g of carbs!

      • jenniferbanz
      • July 26, 2018
      Reply

      Erythritol is a sugar alcohol so you deduct that from the carb count.

    • Lynne
    • July 20, 2018
    Reply

    Just made this chocolate mug cake with almond flour because I suddenly had such a craving for something a bit sweet. So quick and easy and delicious. Really hit the spot! I will definitely make this again. Thank you!

    • Linda
    • July 11, 2018
    Reply

    This was delicious and moist! My modifications due to ingredients on hand were:
    2 tbsp truvia for swerve
    1/8 tsp baking soda for powder
    Dash of cinnamon-cuz ❤️
    Will make again for sure. Thanks!

    • Heather
    • July 2, 2018
    Reply

    Thank you-fast, easy, and just hit the spot for me tonight. Delicious!

    • yaritza
    • July 2, 2018
    Reply

    i love you i been almost dying with my cake cravings (i started 2 weeks ago and its been hell with the withdrawals and headaches) but this cake hit the spot.

    • Lynda
    • June 29, 2018
    Reply

    I’ve been looking for a vanilla cake so when I stumbled on this I thought I would give it a try. It really came out good! I topped it with mashed strawberries and whipped cream. So delicious.

      • jenniferbanz
      • June 29, 2018
      Reply

      That sounds so good!

  1. Reply

    I seldom write reviews of recipes, but this is so DELICIOUS that I feel compelled to write this review as I eat it! I made the chocolate version using almond flour with a couple tiny adjustments to my taste. I often find keto recipes too eggy tasting and a little too sweet for my taste. So instead of 2 TBL of sweetener, I used 1 TBL. As far as the egg, I used the white of 1 egg and 1/2 the yolk. Being a chocolate lover, I of course just had to put a few chocolate chips on top. Oh my gawd…..taste just like a chocolate lava cake!!!! Oh yeah, I put a squirt of light whipped cream on top! Thank you so much for this FRABJOUS DESSERT!!!!!

      • jenniferbanz
      • June 24, 2018
      Reply

      Thanks Susan!

    • Lenae
    • June 16, 2018
    Reply

    I made the vanilla version just as written, and used it for a strawberry shortcake base. It was perfect; husband says to pin this recipe! Thanks for doing the experimenting and posting delicious recipes.

      • jenniferbanz
      • June 18, 2018
      Reply

      Thank you for the great review!

    • Carolina Villegas
    • June 16, 2018
    Reply

    I just made it for my keto husband for father’s day weekend! Of course today was just the trial run and I’ll be making it again tomorrow for desert with father’s day dinner!
    thank you so much!

    • JEB
    • June 12, 2018
    Reply

    I just made this vanilla mug cake with a few alterations because my husband needs to be dairy free. I used 1 tablespoon coconut oil instead of butter, one and a half tablespoon each of coconut flour and almond flour, 1/2 tsp vanilla. Very mild flavor and perfect texture. It was delicious with raspberries or strawberries (slightly sweetened) on them.

    • ManInWhite
    • May 27, 2018
    Reply

    I make this nearly everyday, sometimes twice! Just be careful not to overcook it or it’ll be dry. I usually let it stay a little runny and then mix it all up.

      • jenniferbanz
      • May 28, 2018
      Reply

      Great idea!

    • Jessi
    • May 25, 2018
    Reply

    I made this tonight, but rather than the chocolate chips I decided to put 2 tablespoon of spreadable cream cheese on top of the chocolate version. It was so good.

      • jenniferbanz
      • May 28, 2018
      Reply

      sounds amazing!

    • Maureen Griffith
    • May 22, 2018
    Reply

    I have never tried cake in a mug but I have to say this was delicious!! This really satisfied my cake craving 😊

    • Lisa-Jayne Jones
    • May 13, 2018
    Reply

    I just made the chocolate mug cake with coconut flour, but it turned out very soggy and granular. Any ideas why?

      • jenniferbanz
      • May 14, 2018
      Reply

      Coconut flour has a granular texture. Almond flour would be a little smoother

    • Adrien
    • May 13, 2018
    Reply

    I just made the vanilla and it seemed very eggy tasting. I followed the recipe exactly. Does this sound normal or did anyone else notice this happened to them?:(

      • jenniferbanz
      • May 14, 2018
      Reply

      Keto desserts can have an eggy taste because they are heavy on the eggs. You could try using just egg whites next time.

    • Angela
    • May 4, 2018
    Reply

    I made the Vanilla mug cake & added a few choc chips- this turned out GREAT! It hit the spot for my sweet/cake craving & I only finished half of it- it was filling!

    • tulips
    • April 27, 2018
    Reply

    My daughter just made the chocolate cake and we loved it. The texture and flavor is perfect. Thanks for sharing!

      • jenniferbanz
      • April 27, 2018
      Reply

      So glad you liked it!

    • Deb
    • April 17, 2018
    Reply

    I just made the vanilla version of this using coconut flour. Yowza it was extremely sweet. Is 2 tblsp of swerve a typo and supposed to be teaspoons instead? I’ve looked at the recipe over and over figuring my old eyes read it wrong. I will definitely make it again but I’m going to pare down the swerve for sure. 😊

    • Tricia Lowe
    • April 17, 2018
    Reply

    Can I use Splenda or Stevia instead for the sweetener? I have those on hand!

      • jenniferbanz
      • April 18, 2018
      Reply

      You definitely could but I’m not sure on the amount

    • Marie
    • April 5, 2018
    Reply

    PLEASE tell me you have a link for that gorgeous mug????!!!!! OH! And beautiful recipe!! Thank you! xoxo

      • jenniferbanz
      • April 5, 2018
      Reply

      Sorry, Marie! I wish I could find another one but it is Polish pottery I bought when we lived in Germany.

        • Marie
        • April 5, 2018
        Reply

        That’s ok!! Just went on eBay and typed Polish mug! There are quite a few that are similar!! Yay!! Ty!!

    • Laura
    • April 2, 2018
    Reply

    I love your mug! Do you remember where you bought it?

      • jenniferbanz
      • April 3, 2018
      Reply

      It is Polish pottery that I bought in Germany. I have tried to find something similar with no luck!

      • Marie
      • April 5, 2018
      Reply

      OMGOSH!!! Just went on eBay and typed polish mug!!! A bunch to choose from!

    • Rolisha
    • March 31, 2018
    Reply

    I made the keto cake yesterday! I loved it so much I made it again today! Thank you! I absolutely LOVE this recipe. ( I used coconut flour)

      • jenniferbanz
      • April 3, 2018
      Reply

      Yay! So glad you liked it!

    • Susan
    • March 9, 2018
    Reply

    I made this last night … absolutely amazing !!! It has definitely made it into my favorite recipes book! Can you give us a nutritional count on this one though … I couldn’t find any values other than calories.

      • jenniferbanz
      • March 9, 2018
      Reply

      So glad you liked it, Susan. I have added the nutrition info to the post.

  2. WOW!!!
    My hubby quite often does a low carb diet, but with a sweet tooth he struggles for dessert ideas. THIS IS PERFECT!!
    Pinning and making REAL soon!

      • jenniferbanz
      • March 7, 2018
      Reply

      Low Carb is the best!

  3. Reply

    It was a sign! I had all the ingredients so I just made one! Oh wait, did I mention I like it so much I think Im going to make another!!

      • jenniferbanz
      • March 6, 2018
      Reply

      so glad you liked it!

        • Chelsea Lachance
        • June 24, 2018
        Reply

        I made it with almond flour and cocoa…yummy!

          • jenniferbanz
          • June 24, 2018
          Reply

          So glad you liked it!

    • Patsy Emery
    • March 5, 2018
    Reply

    I made this a week ago with coconut flour, it was pretty good, but the coconut was “crunchy.” This time, tonight, I made it with PB flour. Everyone loved it! So good! The PB flour to almond flour ratio is 1:1, so just substitute the same amount of PB flour, as you would use almond flour.

      • jenniferbanz
      • March 6, 2018
      Reply

      What a great idea! Thanks for sharing!

      • Kate
      • March 19, 2018
      Reply

      What is PB flour? Would love to try it because I don’t love coconut flour. Thanks!!!

        • jenniferbanz
        • March 19, 2018
        Reply

        Peanut butter flour

        • Patsy Emery
        • March 19, 2018
        Reply

        It’s just dehydrated and ground peanuts. I used PB Fit in mine, which has a little added sugar, but is still less carbs than most natural PBs.

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