This creamy Keto Broccoli Cheddar Soup is a comforting, low-carb take on a beloved classic that’s rich, cheesy, and perfect for chilly weather. Made with tender broccoli, sharp cheddar, and a velvety base, it delivers intense flavor without the carbs of traditional versions. It cooks quickly in just one pot, making it ideal for busy nights when you want something warm, satisfying, and simple to prepare.
Every spoonful feels indulgent thanks to the creamy texture and savory notes from the cheddar cheese and aromatic seasonings. Despite being keto-friendly, this soup doesn’t skimp on taste — the balanced blend of ingredients creates a dish that’s both hearty and nourishing, great for lunch, dinner, or meal prep.
Equipment
- Large pot or Dutch oven
- Cutting board
- Knife
- Cheese grater
- Spoon or ladle
Ingredients
- Butter – 5 tablespoons (70 g)
- Medium onion, diced – 1/2 cup (about 80 g)
- Garlic cloves, minced – 2
- Chicken broth – 1.2 liters
- Broccoli florets, chopped small – 3 cups (about 300 g)
- Cheddar cheese, shredded – 2 cups (about 200 g)
- Heavy whipping cream – 1 cup (240 ml)
- Xanthan gum (optional for thickening) – 1 teaspoon
- Salt – 1 teaspoon
- Black pepper – 1 teaspoon
- Smoked paprika – 1 teaspoon
- Bacon slices, fried and crumbled (for garnish) – 4 slices
- Extra shredded cheddar (for garnish) – 1/4 cup
Instructions
- Melt the butter in a large pot over medium heat.
- Add the diced onion and sauté for 2–3 minutes until soft and translucent.
- Add minced garlic and cook about 30 seconds until fragrant.
- Stir in the chopped broccoli, coating it with the butter and aromatics.
- Pour in the chicken broth and bring the mixture to a gentle simmer.
- Cook about 10 minutes, until the broccoli is tender.
- Reduce heat to low, then add heavy cream, salt, pepper, and smoked paprika.
- If using, sprinkle in the xanthan gum and stir thoroughly to blend without clumps.
- Slowly add shredded cheddar cheese, stirring constantly until fully melted and smooth.
- Serve hot, topped with crumbled bacon and extra cheese if desired.
Recipe Info
- Prep Time: 10 minutes
- Cook Time: 20 minutes
- Total Time: 30 minutes
- Servings: 8
- Cuisine: American
- Course: Soup
How to Store
- Cool the soup to room temperature.
- Store in an airtight container in the refrigerator for up to 3 days.
- Reheat gently on the stovetop or in a microwave, adding a splash of broth if it thickens too much.
What Not to Do
- Do not skip sautéing the onion — it builds key flavor.
- Avoid boiling the soup rapidly after adding cream or cheese, which can break the texture.
- Don’t add the xanthan gum all at once; sprinkle and whisk to avoid clumps.
Tips & Variations
- Blend partially with an immersion blender for a smoother texture.
- Swap chicken broth for vegetable broth to make it vegetarian.
- Add cauliflower florets with the broccoli for extra veggies.
- Serve with a side of low-carb crackers or keto garlic bread for dipping.
Approximate Nutrition (Per Serving)
- Calories: ~366 kcal
- Fat: ~33 g
- Protein: ~11 g
- Total Carbohydrates: ~6 g
- Fiber: ~1 g
- Net Carbs: ~5 g
- Sodium: Varies by broth used
Ingredients
Method
- Melt the butter in a large pot over medium heat.
- Add the diced onion and sauté for 2–3 minutes until soft and translucent.
- Add minced garlic and cook about 30 seconds until fragrant.
- Stir in the chopped broccoli, coating it with the butter and aromatics.
- Pour in the chicken broth and bring the mixture to a gentle simmer.
- Cook about 10 minutes, until the broccoli is tender.
- Reduce heat to low, then add heavy cream, salt, pepper, and smoked paprika.
- If using, sprinkle in the xanthan gum and stir thoroughly to blend without clumps.
- Slowly add shredded cheddar cheese, stirring constantly until fully melted and smooth.
- Serve hot, topped with crumbled bacon and extra cheese if desired.
Notes
- Fat: ~33 g
- Protein: ~11 g
- Total Carbohydrates: ~6 g
- Fiber: ~1 g
- Net Carbs: ~5 g
- Sodium: Varies by broth used
Conclusion
This keto broccoli cheddar soup proves that comfort food can be both nutritious and low-carb. It combines wholesome ingredients like fresh broccoli, rich cheddar, and a creamy base to create a satisfying meal that fits keto goals without sacrificing flavor. Whether enjoyed as a quick lunch or hearty dinner, it’s a delicious way to stay warm and nourished.
FAQs
Is this soup suitable for keto diets?
Yes — it uses low-carb ingredients and avoids flour or starchy thickeners, keeping net carbs low.
Can I make this without dairy?
Yes — use dairy-free cream and a suitable dairy-free cheese alternative.
How do I make a thicker soup?
Add a small amount of xanthan gum and stir constantly to thicken without carbs.
Can I freeze this soup?
Yes, freeze in freezer-safe containers for up to two months. Thaw in the fridge before reheating.



