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    Home » Dinner Recipes » Keto Tomato Sausage Soup With Mushrooms and Bell Pepper

    Keto Tomato Sausage Soup With Mushrooms and Bell Pepper

    Published: Apr 18, 2020 · Modified: Oct 1, 2021 by Low-Carb Simplified · This post may contain affiliate links.

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    This keto tomato sausage soup is deliciously creamy, a little spicy, and full of smoked, andouille sausage, mushrooms and bell pepper. It's a perfect fall and winter soup!

    Creamy tomato sausage soup with mushrooms and bell pepper in a bowl. Grated parmesan and parsley on top.

    Here’s a creamy, tomato-based keto soup that's hearty, comforting and has the right amount of spice to warm you up on a chilly day. It bursts with flavor, too — thanks to the spicy arrabbiata sauce, andouille sausage, mushrooms, bell pepper, heavy cream and parmesan.

    But don’t think this is simply a winter or fall soup. We love eating this soup year-round since it’s so addicting. It's our favorite low-carb soup!

    This creamy keto tomato sausage soup takes less than 30 minutes to make and is 7 net carbs per serving. The recipe serves three, but it’s simple to double for lunch leftovers.

    Key Ingredients

    • Soup ingredients in bowls and labeled.

    Just 8 ingredients in this simple keto soup. Here are notes on key ingredients.

    • Andouille Sausage: We always buy Aidells since it uses simple, quality ingredients in it's smoked sausages. Aidells is a little more expensive than other smoked sausages, but you get what you pay for and their sausages are delicious! In this recipe, we use Aidells Cajun Style Andouille Sausage since it's a little spicy and low in carbs (1 net carb per link). You can use another flavor of smoked sausage if you prefer, such as Italian.
    • Rao's Arrabbiata Sauce: We use Rao's pasta sauce (the BEST low-carb sauce out there!) as a shortcut ingredient in this soup, which makes it full of flavor. We use Arrabbiata Sauce since it's spicier than marinara and adds a little heat. Don't worry, it doesn't make it too spicy — just enough to give it depth of flavor. You may use another low-carb arrabbiata or marinara sauce if you prefer. Just be sure to check the net carbs as different brands and flavors may have more carbs.
    • Heavy cream: Heavy cream is a must for deliciously creamy soup!
    • Chicken broth: Chicken broth helps thin the soup (without adding any carbs!) and enhances the flavor. If you prefer, you could also use vegetable broth.
    • Bell pepper: You can use red or green bell peppers in this recipe.
    • Mushrooms: We use white, pre-sliced mushrooms to make it easy. You may use cremini or another type of mushroom if you prefer.

    How to Make

    These creamy keto tomato and sausage soup is so easy to make and it takes less than 30 minutes. Simply follow these steps.

    STEP 1: Slice sausages and veggies as indicated (see picture of sliced veggies above in "Ingredients"). In a large pot, heat oil over medium-high heat. Add sliced sausages and cook until they begin to brown, roughly 4 minutes.

    STEP 2: Reduce heat to medium and add sliced bell pepper and mushrooms. Cook until tender and mushrooms begin to brown, about 6 or 7 minutes.

    • Sliced sausage being cooked in a pan.
    • Sliced sausage, mushrooms and bell pepper cooking in pot.

    STEP 3: Add broth and arrabbiata sauce and bring to a boil. Then, reduce heat and simmer for a minute or two.

    STEP 4: Stir in the parmesan until it melts.

    • Boiling broth and sauce in a pot with existing ingredients.
    • Adding grated parmesan to soup ingredients.

    STEP 5: Add cream and season with salt and pepper if necessary.

    STEP 6: Heat for a minute or two longer. Remove from heat and serve immediately.

    • Adding heavy cream to soup pot.
    • Finished keto tomato sausage soup with veggies.

    How to Store

    You can store this soup in a closed container in the fridge for up to three or four days. In fact, it may taste even better on the second day!

    Related Recipes

    • Keto Thai Coconut Curry Soup with Chicken
    • Quick & Easy Keto Chili
    • 5-Minute, 3-Ingredient Keto Tomato Soup with Rao's Sauce
    • Creamy Mushroom Soup

    If you try this recipe, we would love to hear your feedback! Leave a comment, rate it, and tag @lowcarbsimplified on your photo of this recipe on Instagram or Facebook. We hope you enjoy this recipe as much as we do!

    Keto Tomato Sausage Soup With Mushrooms and Bell Pepper

    Low-Carb Simplified
    This keto tomato sausage soup is deliciously creamy, a little spicy, and full of smoked, andouille sausage, mushrooms and bell pepper.
    5 from 1 vote
    Print Recipe Pin Recipe
    Prep Time 5 mins
    Cook Time 20 mins
    Total Time 25 mins
    Course Soup Recipes
    Cuisine American
    Servings 3
    Calories 423.5 kcal

    Ingredients
      

    • 1 tablespoon California Olive Ranch Extra Virgin Olive Oil
    • 3 Aidells Cajun Style Andouille Sausage, sliced into bite-size chunks
    • 6 ounces of pre-sliced white mushrooms
    • 1 red or green bell pepper, ribs and seeds removed and cut into 2-inch long strips
    • 1 ½ cups chicken broth
    • ¾ cup Rao's Arrabbiata Sauce
    • ½ scant cup parmesan, grated
    • ¼ cup heavy whipping cream

    Instructions
     

    • Get started: Remove ribs and seeds from bell pepper and slice into 2-inch long strips. Slice sausages into bite-size pieces. Set aside.
    • Cook sausage and vegetables: In a large pot, heat oil over medium-high heat. Add sliced sausages and cook until they begin to brown, roughly 4 minutes. Reduce heat to medium and add sliced bell pepper and mushrooms. Cook until tender and mushrooms begin to brown, about 6 or 7 minutes.
    • Finish soup and serve: Add broth and arrabbiata sauce and bring to a boil. Then, reduce heat and simmer for a minute or two. Stir in the parmesan until it melts. Add cream and season with salt and pepper if necessary. Heat for a minute or two more. Remove from heat and serve immediately.

    Nutrition

    Calories: 423.5kcalCarbohydrates: 10gProtein: 25.3gFat: 32.3gSaturated Fat: 12.7gCholesterol: 92.7mgSodium: 1225.7mgFiber: 1.9gSugar: 6.4gNet Carbs: 8.1gProtein Percentage: 24%
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