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4.89 from 9 votes

Leftover Steak Soup

You can make this easy low carb soup recipe in no time at all! Use leftover steak if you have it, or cook up some fresh sirloin. You will not regret it!
Prep Time10 mins
Cook Time30 mins
Total Time40 mins
Course: dinner, Soup
Cuisine: American
Keyword: gluten free, leftover steak recipes, recipe for steak soup
Servings: 6
Calories: 370kcal

Ingredients

  • 2 Pounds Top Sirloin Steak, Raw or already cooked
  • Salt
  • 2 Tablespoons Butter
  • 2 Tablespoons Olive oil
  • 1/2 Onion, diced
  • 4 Cloves Garlic, minced
  • 1 teaspoon Italian seasoning
  • 1 teaspoon Dried parsley
  • 1/2 teaspoon dried thyme
  • 1 Pound Mushrooms, sliced
  • 4 Cups Beef broth
  • 1 teaspoon xanthan gum (click here to see my favorite brand on Amazon) (you can also make a slurry)

Instructions

  • If you using already cooked steak, cut into 1 inch cubes and set aside. In a heavy bottom pot over medium heat, add the butter and olive oil. Continue to 3rd step.
  • For fresh steak: In a heavy bottom pot over medium high heat, add the butter and olive oil.  Cut the fresh steak into 1 inch cubes and season with salt.  Sear all sides and then remove from the pot.  work in batches so you do not overcrowd the pot.  Set cooked steak aside.
  • In the same pot over medium heat, add the diced onion.  Cook until the onion is browned and softened.  Now add in the garlic, herbs, and mushrooms.  Continue to cook until the mushrooms are browned and soft.
  • Add in the beef broth and the xanthan gum.  Bring the soup to a boil and cook for a few minutes to let it thicken.  
  • Add in the steak and cook for a few minutes to heat through.  Ladle into bowls and serve.

Video

Notes

Nutrition for 1/6th of soup: calories 370 / 16g fat / 4g carbs / 1g fiber / 49g protein

Nutrition

Calories: 370kcal