Keto Zuppa Toscana Soup Recipe: Creamy Italian Sausage and Kale

Keto Zuppa Toscana is a rich, comforting soup made with ground Italian sausage, bacon, and a variety of vegetables in a creamy broth. It’s simple to prepare and perfect for a low-carb or keto meal plan.

overhead view of Italian zuppa toscana soup in a white serving bowl with a spoon

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If you enjoy hearty soups, add this Zuppa Toscana to your regular rotation—it’s flavorful, satisfying, and easy to make.

Why You’ll Love Keto Zuppa Toscana Soup

  • Loaded with vegetables: Onion, garlic, red bell pepper, zucchini, and kale give this soup texture and flavor without adding many carbs.
  • Very filling: Ground Italian sausage, bacon, and heavy cream make each bowl rich and satisfying.
  • Keto-friendly: At about 6g net carbs per serving, this recipe fits well into low-carb and ketogenic meal plans.

Ingredients Needed to Make This Low Carb Zuppa Toscana Recipe

Exact ingredient amounts are listed in the recipe card below.

  • Ground Italian sausage
  • Bacon
  • Butter
  • White onion
  • Garlic
  • Red bell pepper
  • Zucchini
  • Kale
  • Chicken broth
  • Heavy whipping cream
  • Salt
  • Pepper

How to Make Keto Zuppa Toscana (Quick Overview)

This overview highlights the main steps. For exact measurements and full details, see the recipe card at the bottom of the post.

Start by browning the ground Italian sausage in a large soup pot, then remove it with a slotted spoon and set it aside.

TIP: Use mild or hot Italian sausage depending on how much spice you prefer.

overhead view of soup pot with Italian sausage cooked and ready to be set aside

Cook the bacon in the remaining sausage grease, then transfer it to a plate. Drain excess fat from the pot, add butter, and sauté the diced onion until translucent. Add minced garlic, chopped red pepper, and chopped zucchini, and cook for about 4 minutes.

TIP: If you prefer, you can skip adding butter and sauté the vegetables in the sausage and bacon fat for extra flavor.

overhead view of ceramic pot with seared zucchini and red peppers

Stir in chicken broth, heavy whipping cream, salt, and pepper, then return the cooked sausage to the pot and add the kale. Bring the soup to a gentle simmer and cook for about 5 minutes, until the kale has softened and the soup is heated through.

overhead view of ceramic soup pot with chicken stock, heavy whipping cream and kale added

Remove the pot from the heat, crumble the cooked bacon, and either stir it into the soup or use it as a garnish for each bowl.

overhead view of low carb zuppa toscana soup in a white ceramic pot done simmering and ready to serve

This soup is hearty enough to stand alone, but it also pairs well with low-carb sides like garlic bread or roasted vegetables.

overhead view of ready to serve keto zuppa toscana soup in a white bowl

More Keto Italian Recipes

If you like this Zuppa Toscana, try other low-carb Italian dishes for easy weeknight dinners or meal prep.

  • Keto chicken parmesan casserole
  • Chicken alfredo soup
  • Low-carb chicken alfredo casserole
  • Gluten-free, sugar-free meatballs
  • Italian sausage-style meatball casserole
  • Low-carb garlic bread as the ideal side
overhead view of keto chicken parmesan casserole in glass casserole dish ready to serv
closeup of a bowl of keto soup in a white bowl next to spoons
keto alfredo casserole with a large black spoon dipped into the dish
overhead view of keto meatballs with marinara sauce topped with shredded parmesan cheese in a black skillet
overhead view of keto meatball casserole in a white casserole dish next to dish towel
keto garlic bread stacked in a narrow pile

Nutrition Facts for This Easy Zuppa Toscana Soup Recipe

Per serving (recipe yields 8 servings):

  • 541 calories
  • 49 g fat
  • 17 g protein
  • 6 g net carbs
overhead view of zuppa toscana soup in a large ceramic pot with a soup ladel

More Keto Soup and Chili Recipes

If you enjoy Zuppa Toscana, these other keto soups and chilis are worth trying for variety and comfort.

  • Classic homemade keto chili
  • Keto white chicken chili with a creamy texture
  • Low-carb cheeseburger soup
  • Chicken enchilada soup adapted for low carbs
  • Keto mushroom soup with Parmesan and ground turkey
  • Beef and cabbage soup with hamburger for extra richness
  • Low-carb chicken noodle soup using a keto-friendly noodle substitute
  • A low-carb vegetable soup featuring a variety of lower-carb vegetables
ladle with big scoop of keto chili over pot
overhead view of bowl of keto white chicken chili in white serving bowl and gold serving spoon and garnished with slice of avocado and sour cream
overhead view of bowl of keto cheeseburger soup with bacon on top
overhead closeup of white bowl of keto cabbage soup
small bowl of keto chicken noodle soup with red handle
side view of large pot of keto vegetable soup
bowl of keto chicken enchilada soup with spoon holding up serving

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overhead view of zuppa toscana soup in a large ceramic pot with a soup ladel

Keto Zuppa Toscana Soup

Keto Zuppa Toscana is a hearty and flavorful soup featuring ground Italian sausage and a variety of vegetables in a rich and creamy broth.
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Course: Dinner, Lunch, Main Course, Soup
Cuisine: Italian
Keyword: gluten free, Low Carb, sugar free
Prep Time: 10 minutes
Cook Time: 20 minutes
Total Time: 30 minutes
Servings: 8
Calories: 541kcal

Ingredients

  • 1 1/2 lbs ground Italian sausage
  • 6 strips bacon
  • 4 tbsp butter
  • 1 small white onion diced
  • 3 garlic cloves minced
  • 1 medium red bell pepper chopped
  • 2 small zucchini chopped
  • 6 cups chicken broth
  • 2 cups heavy whipping cream
  • 1 1/2 tsp salt
  • 1 tsp pepper
  • 3 cups kale chopped or torn into bite-sized pieces

Instructions

  • In a large soup pot, sauté the Italian sausage until cooked through. Remove the sausage with a slotted spoon and set aside.
  • In the remaining sausage grease, cook the bacon until crisp. Transfer to a plate.
  • Drain excess fat from the pot, then add butter and sauté the onion until translucent.
  • Add minced garlic, chopped red pepper, and chopped zucchini. Sauté for about 4 minutes.
  • Pour in chicken broth and heavy cream, then add salt, pepper, the cooked sausage, and the kale. Bring to a simmer and cook for about 5 minutes, until the kale is tender and the soup is heated through.
  • Remove from heat, crumble the bacon, and stir it into the soup or use it as a garnish.
  • Serve warm and enjoy.

Notes

  • Butter adds a nice flavor, but you can sauté the vegetables in the reserved sausage and bacon fat instead if you prefer.
Nutrition Facts
Keto Zuppa Toscana Soup
Amount Per Serving
Calories 541
Calories from Fat 441
% Daily Value*
Fat 49g75%
Saturated Fat 20g125%
Trans Fat 0.3g
Polyunsaturated Fat 2g
Monounsaturated Fat 10g
Cholesterol 97mg32%
Sodium 1774mg77%
Potassium 279mg8%
Carbohydrates 7g2%
Fiber 1g4%
Sugar 4g4%
Protein 17g34%
Vitamin A 2372IU47%
Vitamin C 33mg40%
Calcium 80mg8%
Iron 1mg6%
* Percent Daily Values are based on a 2000 calorie diet.

Nutrition Disclaimer

Nutrition facts are provided as an estimate and may vary depending on ingredients and brands used. Sugar alcohols, if applicable, have already been removed from the total carb count.