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Keto taco soup recipe with Steak (easy and low carb)

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As someone who has embraced the keto diet, I'm always on the lookout for recipes that are not only healthy but also delicious and satisfying. That's why I was thrilled to discover this keto taco soup recipe, a variation of the classic taco soup recipe that's become a staple in my kitchen. Today, I want to share this incredible keto soup recipe with you, along with some tips and tricks that I've learned along the way.

close up bowl of Keto taco soup recipe with Steak (easy and low carb)

What are the Keto Steak Taco Soup Key Ingredients?

  • Steak: Provides high-quality protein and essential fats, key components in the keto diet for maintaining muscle mass and promoting satiety.
  • Bell Peppers and Onions: Offer fiber and a touch of natural sweetness, adding nutritional balance and enhancing the flavor profile of the soup.
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  • Chili Powder and Cumin: These spices contribute depth and warmth to the dish without adding extra carbs, making them ideal for flavoring keto-friendly recipes.
  • Heavy Whipping Cream: Increases the fat content crucial for a keto diet, while also giving the soup a creamy and rich texture.
  • Colby Jack Cheese: A keto-friendly cheese that adds both a delicious flavor and a smooth, creamy consistency to the soup, enhancing its overall appeal.

Keto Steak Taco Soup

Here's what you'll need for this hearty and flavorful soup:


  • 1 lb. Fully cooked steak fajita meat, sliced
  • 2 Tbsp. Butter
  • ½ Onion, chopped
  • ½ Red bell pepper, chopped
  • ½ Green bell pepper, chopped
  • 2 tsp. Minced garlic
  • ½ C. Heavy whipping cream
  • 2 C. Beef broth
  • 1 tsp. Chili powder
  • 1 tsp. Cumin
  • ½ tsp. Paprika
  • ½ tsp. Oregano
  • 1 C. Shredded colby jack cheese
  • Salt and pepper to taste


Heat the Pot and Melt the Butter: Place a large pot on the stove over medium heat. Once the pot is warm, add 2 tablespoons of butter. Allow the butter to melt slowly, swirling it around to coat the bottom of the pot.

Prepare and Sauté Vegetables: Chop half an onion, half a red bell pepper, and half a green bell pepper into bite-sized pieces. When the butter is fully melted and starts to bubble, add these chopped vegetables to the pot. Stir them gently to ensure an even coating in the butter. Sauté the mixture until the onions turn translucent and the peppers soften, approximately 5-7 minutes.

Add Garlic and Spices: Add 2 teaspoons of minced garlic to the pot. Follow this with 1 teaspoon each of chili powder and cumin, and half a teaspoon each of paprika and oregano. Stir well to combine.

Incorporate the Meat: Add the sliced steak fajita meat to the pot. Season with salt and pepper to taste. Stir everything together to ensure the meat and vegetables are evenly coated with the spices. Continue to sauté for 2 more minutes to allow the flavors to meld.

Pour in Beef Broth and Simmer: Add 2 cups of beef broth to the pot. Stir to mix all the ingredients together. Reduce the heat to a simmer and let the soup cook for about 15 minutes, allowing the flavors to deepen.

Add Heavy Whipping Cream: Pour in half a cup of heavy whipping cream, stirring it into the soup. Continue simmering until the soup thickens to your desired consistency.

Serve with Cheese Garnish: Once the soup is ready, ladle it into serving bowls. Garnish each serving with a sprinkle of shredded Colby Jack cheese, allowing it to melt into the hot soup.

The beauty of this recipe lies in its simplicity and the depth of flavors it offers. While the original creamy taco soup recipe is straightforward, I've discovered that using a crock pot or an instant pot can also yield fantastic results. For a slow cooker, simply add all ingredients except the cheese and cream, cook on low heat for 3-4 hours, then stir in the cream and cheese before serving. In an instant pot, use the sauté function for the initial steps, then pressure cook for a brief period before adding the cream and cheese. This is a recipe your whole family will love.

easy bowl of soup ready to serve

Tips for the Perfect Keto Taco Soup

Here are some tips to ensure your Keto Steak Fajita Soup is a hit:

  • Prep Vegetables in Advance: Chop your onions and bell peppers ahead of time. Having these ready to go will streamline your cooking process, reducing stress and saving time when you start cooking.
  • Cheese Preparation: Grate your Colby Jack cheese before you begin cooking. This way, it's ready to sprinkle on the soup as soon as it's done, melting quickly and evenly. Feel free to substitute with cheddar cheese if desired.
  • Spice Mix Ready: Combine your chili powder, cumin, paprika, and oregano in a small bowl beforehand. This pre-mixed spice blend can be added directly to the pot, ensuring a consistent flavor and saving you from measuring spices mid-cook.
  • Use a Garlic Press: If you're using fresh garlic, use a garlic press to mince it. This saves time and effort compared to chopping garlic by hand and gives you a more consistent garlic paste that will blend seamlessly into the soup.
  • Broth Tips: If using store-bought broth, have it at room temperature before adding it to the pot. This helps maintain the cooking temperature and reduces the time it takes for the soup to return to a simmer. You can substitute chicken broth if needed.
  • Meat Thawing: Ensure your steak fajita meat is fully thawed if it was frozen. This helps it cook evenly and absorb the flavors better.
  • Simmering: While simmering, check the soup periodically to prevent over-reduction. A gentle simmer is key to developing flavors without losing too much liquid.
  • Cream Integration: When adding the heavy cream, pour it in slowly and stir continuously. This prevents the cream from curdling and ensures a smooth, creamy texture.


In wrapping up, the Keto Steak Taco Soup really hits the mark for anyone on a keto diet looking for something that's both hearty and flavorful. It's the kind of recipe that proves you don't have to sacrifice taste for health. Perfect for a quick weeknight dinner or as a part of your meal prep routine, this soup is as practical as it is tasty. So, if you're in the mood for something that's both comforting and keto-friendly, give this recipe a try. It's sure to add a delicious twist to your regular menu.

Yield: 5

Keto Steak Taco Soup

close up bowl of keto taco soup

Savor the bold flavors of our Keto Steak Taco Soup, a perfect blend of succulent steak, aromatic spices, and rich, creamy cheese. Each spoonful offers a delightful combination of heat from chili and cumin, balanced by the velvety smoothness of heavy whipping cream. Ideal for a comforting, low-carb meal that doesn't skimp on taste. Enjoy a hearty, satisfying experience in every bite!

Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes


  • 1 lb. Fully cooked steak fajita meat sliced
  • 2 Tbsp. Butter
  • ½ Onion chopped
  • ½ Red bell pepper chopped
  • ½ Green bell pepper chopped
  • 2 tsp. Minced garlic
  • ½ C. Heavy whipping cream
  • 2 C. Beef broth
  • 1 tsp. Chili powder
  • 1 tsp. Cumin
  • ½ tsp. Paprika
  • ½ tsp. Oregano
  • 1 C. Shredded colby jack cheese
  • Salt and pepper to taste


    Melt the butter in a pot over medium heat.
    Add in the onions and peppers, and saute until softened.
    Mix in the garlic, chili powder, cumin, paprika, oregano, beef and salt and pepper to taste. Saute for 2 minutes.
    Pour in the beef broth, and simmer for 15 minutes.
    Stir in the heavy whipping cream, and simmer until the mixture thickens.
    Serve garnished with the cheese.


Pre-Chop Vegetables: Dice onions and bell peppers beforehand to save time.
Pre-Grate Cheese: Shred Colby Jack cheese before starting; cheddar works too.
Spice Blend Prep: Mix chili powder, cumin, paprika, and oregano in advance for easy addition.
Use Garlic Press: Save time by using a garlic press for mincing.
Broth at Room Temperature: Use room-temp broth for even cooking; chicken broth is an alternative.
Thaw Steak Fully: Ensure steak fajita meat is completely thawed for uniform cooking.
Watch Simmering: Regularly check the soup to avoid over-reduction.
Slowly Add Cream: Gradually stir in heavy cream to maintain smoothness.

Nutrition Information:



Serving Size:


Amount Per Serving: Calories: 458Total Fat: 33gSaturated Fat: 16gTrans Fat: 1gUnsaturated Fat: 15gCholesterol: 122mgSodium: 1119mgCarbohydrates: 8gNet Carbohydrates: 4gFiber: 2gSugar: 3gProtein: 30g

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