Go Back

Keto Broccoli Cheddar Soup

A rich and creamy low-carb broccoli cheddar soup made without flour or cornstarch.
Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings: 6
Course: Dinner, Lunch, Soup
Cuisine: American
Calories: 420

Ingredients
  

  • For the Soup
  • 4 tablespoons unsalted butter
  • ½ medium yellow onion finely diced
  • 3 cloves garlic minced
  • 4 cups fresh broccoli florets chopped
  • 3 cups low-sodium chicken broth
  • 1 cup heavy whipping cream
  • 4 ounces full-fat cream cheese softened
  • cups freshly shredded sharp cheddar cheese
  • ½ teaspoon garlic powder
  • ½ teaspoon onion powder
  • ¼ teaspoon smoked paprika
  • ¼ teaspoon ground black pepper
  • Salt to taste
  • ⅛ to ¼ teaspoon xanthan gum optional
  • Optional Toppings
  • Crumbled bacon
  • Extra shredded cheddar
  • Chopped green onions
  • Sour cream
  • Crushed pork rinds
  • Freshly cracked black pepper

Equipment

  • Dutch oven or large soup pot
  • Immersion blender
  • Box grater
  • Whisk
  • Silicone spatula or wooden spoon
  • Ladle

Method
 

  1. Wash and dry the broccoli. Cut the florets into small pieces.
  2. Melt the butter in a large soup pot over medium heat.
  3. Add the diced onion and cook for four to five minutes, until softened.
  4. Add the minced garlic and cook for approximately 30 seconds.
  5. Add the broccoli, chicken broth, garlic powder, onion powder, smoked paprika, and black pepper.
  6. Bring the soup to a gentle simmer.
  7. Reduce the heat to medium-low, cover, and cook for 12 to 15 minutes, until the broccoli is very tender.
  8. Use an immersion blender to blend approximately one-third to one-half of the soup.
  9. Reduce the heat to low.
  10. Add the softened cream cheese and whisk until smooth.
  11. Add the heavy cream and stir gently.
  12. Warm the soup over low heat for about three minutes without boiling.
  13. Remove the pot from direct heat.
  14. Add the cheddar approximately ½ cup at a time, stirring until melted after each addition.
  15. Taste and add salt only as needed.
  16. Let the soup rest for several minutes to thicken.
  17. If desired, sprinkle in ⅛ teaspoon xanthan gum while whisking. Wait before adding more.
  18. Ladle into bowls and add your preferred toppings.

Notes

  • Use freshly shredded cheddar for the smoothest texture.
  • Do not boil the soup after adding cream or cheese.
  • Add the cheese gradually.
  • Soften the cream cheese before cooking.
  • Use xanthan gum sparingly.
  • Nutrition does not include optional toppings or added protein.
  • Broth, cheddar, and cream cheese brands may significantly affect sodium and carbohydrate values.
  • Use certified gluten-free ingredients when necessary.
 

Estimated Nutrition Per Serving

Based on six servings without optional toppings:
  • Calories: approximately 420
  • Protein: approximately 12 g
  • Fat: approximately 38 g
  • Saturated fat: approximately 23 g
  • Total carbohydrates: approximately 8 g
  • Dietary fiber: approximately 2 g
  • Net carbohydrates: approximately 6 g
  • Sugar: approximately 3 g
  • Sodium: approximately 700 mg
 
The final nutrition will vary according to the broth, cream cheese, cheddar, heavy cream, broccoli size, serving size, and toppings used.
 

Allergy Notice

Contains: Milk. Chicken broth, cream cheese, cheddar, seasonings, bacon, pork rinds, and packaged toppings may contain additional allergens or be processed in shared facilities. Vegetable broth substitutions may contain soy, wheat, or celery.
 

Nutrition Disclaimer

Nutrition information is an estimate provided for convenience and should not be considered medical or dietary advice. Values may vary depending on ingredient brands, substitutions, serving sizes, fiber calculations, and preparation methods. Consult a qualified healthcare professional regarding personal dietary or medical needs.
 

Food Safety Notice

Wash broccoli before cutting and cooking. Keep dairy products refrigerated until needed. Use caution when blending hot soup. When using a traditional blender, cool the soup slightly, blend in small batches, and never completely seal very hot liquid. Refrigerate leftovers within two hours and use them within four days.