This hearty Slow Cooker, Low Carb Zucchini Soup is tailor-made for the autumn season.
Picture this: tender zucchini, slow-cooked to perfection, mingling with a medley of wholesome ingredients, all while keeping things low on the carb count. It’s a symphony of flavors that warms your soul and nourishes your body. So, grab your favorite blanket, prepare your taste buds, and let’s embark on a journey of fall flavors that’ll leave you craving for more. Get ready to indulge guilt-free in the essence of the fall season!

Why you’ll love this recipe
Wholesome and hearty, this Slow Cooker Low Carb Zucchini Soup boasts a medley of lean ground beef, vibrant vegetables, and fragrant herbs, all simmered to perfection for 6 hours to create a nourishing and satisfying fall delight.

What makes this soup healthy?
You’re also going to love this Low Carb Zucchini Soup because it offers a range of health benefits:
- Low Carb: With the use of cauliflower rice instead of traditional rice or pasta, this soup is lower in carbohydrates, making it suitable for those following a low-carb or keto lifestyle.
- High in Fiber: Zucchini and cauliflower are both rich in dietary fiber, which supports digestion, helps maintain steady blood sugar levels, and contributes to a feeling of fullness.
- Lean Protein: The addition of lean ground beef or Italian sausage provides a good source of lean protein, which is essential for muscle maintenance and overall body function.
- Vitamins and Minerals: Zucchini is a good source of vitamins A and C, both of which are essential for immune system health and skin maintenance. Additionally, the variety of vegetables in the soup contribute an array of essential vitamins and minerals.
- Antioxidants: The red bell pepper and tomatoes in the soup are rich in antioxidants like lycopene and vitamin C, which help protect cells from damage caused by free radicals.
- Low-Calorie: By using lean protein sources and focusing on vegetables, this soup is a lower-calorie option, making it a great choice for those looking to manage their weight.
- Hydration: Zucchini has a high water content, contributing to hydration, and the soup itself helps increase fluid intake.
- Heart Health: The use of lean protein and minimal added fats, along with the inclusion of herbs like oregano, basil, and Italian seasoning, can support heart health by promoting balanced cholesterol levels.
- Digestive Health: The fiber content of zucchini and cauliflower supports healthy digestion and can help prevent constipation.
Remember, the health benefits of this soup is also influenced by portion sizes and overall dietary choices. Incorporating a variety of nutrient-rich foods and staying mindful of portion control are important aspects of maintaining a balanced and healthy eating pattern.
RELATED: Slow Cooker Bacon and Bean Soup – the perfect comfort food for a cold day. Richly flavored with smoked bacon and beans, this soup makes for an easy dinner that takes less than 10 minutes of hands-on time.

Ingredients you’ll need to make this heart healthy zucchini soup

- Olive oil
- Lean ground beef or Italian sausage
- Onion
- Red bell pepper, seeded and diced
- Celery
- Minced garlic
- Zucchini
- Frozen riced cauliflower
- Can diced tomatoes
- Can tomato paste
- Beef broth
- Dried oregano
- Dried basil
- Italian seasoning
- Red pepper flakes
- Salt and black pepper, to taste
For the full list of ingredients, and the printable recipe, be sure to check out the recipe card below.
How to make this soup
Step 1: In a large skillet over medium-high heat, add the oil and heat until hot. Add the ground beef or Italian sausage and cook, crumbling as it browns.

Step 2: When the meat is almost cooked through, add the onion, bell pepper, and celery. Continue cooking until the vegetables are tender, about 4 minutes. Stir in the garlic. Drain the meat and vegetables well.

Step 3: Transfer the meat and vegetables to the slow cooker. Add the remaining ingredients. Stir well.

Step 4: Cover the slow cooker and cook on low for 6 hours.

Serve the soup with grated parmesan, and enjoy!!
Make this Low Carb Zucchini Soup in a Slow Cooker, then check out my Slow Cooker Bacon and Bean Soup and more of my healthy soup recipes.
TIPS AND FREQUENTLY ASKED QUESTIONS
Read on for tips and substitution ideas on how to make this recipe, such as how to customize this salad, and how to store this salad.

🍂 Celebrate Autumn with this easy salad!
Mixed Green Salad with Apple and Goat Cheese
This delicious green salad with apple and goat cheese is filled with flavor from apples, raisins, goat cheese, and toasted walnuts. It’s easy to make in under 30 minutes for an easy weeknight side dish your whole family will love.
MAKE THIS SALAD → Mixed Green Salad with Apple and Goat Cheese
Other soup recipes to try
- Creamy Instant Pot French Onion Chicken Soup – packed with tender chicken, mushrooms, onions, and a creamy, flavorful broth. This easy-to-make soup is perfect for chilly days and will become a new family favorite.
- Creamy Gnocchi Bacon Soup – Red pepper flakes give this soup a tasty zing. This soup is so comforting and delicious…it’ll warm you inside and out. One of the best soups that I have made in a long time. Enjoy!
- Stove Top Spicy Italian Sausage Tortellini Soup -made with rich cheese tortellini, spicy italian sausage, nutritious tomatoes and vegetables, and flavorful herbs. It’s one of the heartiest, coziest, most filling soups you’ll make!

Slow Cooker, Low Carb Zucchini Soup Recipe
Embrace the essence of autumn with a nourishing Slow Cooker, Low Carb Zucchini Soup that's as comforting as it is delicious.
Ingredients
- 1 tablespoon olive oil
- 1 pound ground beef or Italian sausage
- 1 onion, diced
- 1 red bell pepper, seeded and diced
- 2 stalks celery, diced
- 1 teaspoon minced garlic
- 1 ½ pounds zucchini, cut in half and into slices about 1 inch thick
- 3 cups frozen riced cauliflower
- 1 (28 ounce) can diced tomatoes
- 1 (6 ounce) can tomato paste
- 8 cups beef broth
- 1 teaspoon dried oregano
- 1 teaspoon dried basil
- 1 teaspoon Italian seasoning
- ¼ teaspoon red pepper flakes
- Salt and black pepper, to taste
Instructions
- In a large skillet over medium-high heat, add the oil and heat until hot. Add the ground beef or Italian sausage and cook, crumbling as it browns.
- When the meat is almost cooked through, add the onion, bell pepper, and celery. Continue cooking until the vegetables are tender, about 4 minutes. Stir in the garlic. Drain the meat and vegetables well.
- Transfer the meat and vegetables to the slow cooker. Add the remaining ingredients. Stir well.
- Cover the slow cooker and cook on low for 6 hours.
- Serve the soup with grated parmesan.
Nutrition Information:
Yield: 8 Serving Size: 1 bowlAmount Per Serving: Calories: 259Total Fat: 15gSaturated Fat: 5gTrans Fat: 0gUnsaturated Fat: 8gCholesterol: 56mgSodium: 1138mgCarbohydrates: 9gFiber: 3gSugar: 5gProtein: 22g
The provided nutrition information is an estimate and it does not take brands into account. I use an automatic API to calculate this information.
Feel free to look through the rest of my recipes and if you can’t find the recipe you’re looking for let me know and I’ll do my best to create it for you.
