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Keto broccoli cheddar soup in a Bowl, top view. Close-up.
Jon Simon

Keto Broccoli Cheddar Soup

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Thick, creamy broccoli cheddar soup without flour or roux. Just 5g net carbs per bowl and ready in 25 minutes. The secret is blending part of the broccoli for natural creaminess.
Prep Time 10 minutes
Cook Time 15 minutes
Total Time 25 minutes
Servings: 4 bowls
Course: lunch, Soup
Cuisine: American
Calories: 320

Ingredients
  

For the Soup Base
  • 3 tablespoons butter
  • 3 cloves garlic minced
  • 1/2 teaspoon onion powder
  • 4 cups broccoli florets cut into 1-inch pieces (about 1 large head)
  • 3 cups chicken or vegetable broth low sodium recommended
For the Creamy Finish
  • 1 cup heavy cream
  • 2 cups sharp cheddar cheese freshly shredded (about 8 oz)
  • 1/4 teaspoon nutmeg freshly grated preferred
  • 1/2 teaspoon salt or to taste
  • 1/4 teaspoon black pepper

Equipment

Method
 

  1. Melt butter in a large pot or Dutch oven over medium heat. Add minced garlic and onion powder, stirring constantly for 30 seconds until fragrant. Don't let the garlic brown.
  2. Add broccoli florets and broth to the pot. Bring to a boil, then reduce heat to medium-low. Simmer for 10-12 minutes until broccoli is very tender and easily pierced with a fork.
  3. Using a slotted spoon, transfer about half of the broccoli to a blender (or use an immersion blender directly in the pot for half the mixture). Blend until completely smooth, then return to the pot. This creates the creamy base while keeping some chunky texture.
  4. Reduce heat to low. Stir in the heavy cream and let it warm through for 1-2 minutes. Do not let it boil.
  5. Remove pot from heat (or keep on lowest setting). Add shredded cheddar cheese one handful at a time, stirring constantly until each addition is fully melted before adding more. This prevents clumping.
  6. Stir in nutmeg, salt, and pepper. Taste and adjust seasonings as needed. Serve immediately, garnished with extra shredded cheese if desired.

Nutrition

Serving: 1.5gCalories: 320kcalCarbohydrates: 8gProtein: 14gFat: 26gSaturated Fat: 16gSodium: 580mgFiber: 3gSugar: 3g

Notes

Cheese tip: For the smoothest soup, shred cheese from a block rather than using pre-shredded. The anti-caking agents on pre-shredded cheese can make the soup slightly grainy.
Make it richer: Stir in 2 tablespoons of cream cheese along with the cheddar for extra creaminess.
Add protein: Crispy bacon bits or rotisserie chicken turn this into a heartier meal without adding carbs.
Reheating: Add a splash of broth when reheating as the soup thickens when refrigerated. Heat gently—don't boil.

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