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keto tomato soup with croutons in a bowl
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5 from 2 votes

Creamy Keto Tomato Soup- Only 15 Minutes!

Keto Tomato Soup - Only 5 ingredients, that you probably already have handy in your kitchen, is all you will need for this tasty low carb tomato soup recipe! Super creamy and super easy, makes this a perfect soup recipe a go-to for days you need some comfort!
Prep Time5 mins
Cook Time10 mins
Total Time15 mins
Course: Soup
Cuisine: American
Keyword: gluten free, recipe for creamy keto tomato soup
Servings: 4
Calories: 240kcal



  • Combine all of your ingredients in a medium size sauce pan.
  • Cook until all the ingredients have been cooked together throughly and bubbling. Should take about ten minutes.
  • Season with salt and pepper to taste. Serve.


  • Please be aware that using a different brand of marinara would change the carb count.  I use Rao's because it has no added sugar like most marinaras.
  • I use a sugar free sweetener to cut through the acidity in the marinara.  This is essential for really good tomato soup!
  • Croutons: For those I use my recipe for 90 second keto bread, cut it into cubes, and brown them under the broiler.  They make perfect gluten free croutons!


Serving: 1Cup | Calories: 240kcal | Carbohydrates: 8g | Protein: 3g | Fat: 21g | Fiber: 2g