Easy 3-Ingredient Cauliflower Soup Recipe

This 3-ingredient cauliflower soup is creamy, low-carb, and ready in about 30 minutes. It’s a simple, healthy soup that comes together fast but still feels satisfying. Smooth, flavorful, and surprisingly hearty, it works well for a quick lunch or a light, easy dinner.

a close up of cauliflower soup in a bowl with cheese on top

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Recipe Highlights

⏱️Prep Time: 10 Minutes
⏱️Cook Time: 20 Minutes
⏱️Total Time: 30 Minutes
🍽️Serves: 4 – easy to scale up or down
✔️ This soup comes together quickly: simmer the cauliflower, onion and garlic until tender, then blend until smooth.
✔️Add water or broth slowly after blending to adjust the thickness.

overhead image of the ingredients to make cauliflower soup with cut cauliflower in a bowl, onions and garlic

Ingredients

  • Cauliflower
  • Onion, chopped
  • Garlic
  • Water or Vegetable broth

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  1. Simmer the cauliflower: Place a cup of water in a saucepan and simmer until tender – about 25 minutes.
  2. Blend the tender, cooked cauliflower with an immersion blender until smooth, achieving a consistency similar to that of mashed potatoes.
  3. Whisk in water or broth until creamy and a consistency you like.
a collage of pictures needed to make 3 ingredient cauliflower soup

  • To achieve the perfect consistency, gradually add the liquid to the soup.
  • Season with salt and pepper to taste just before serving.
  • Experiment with texture; if you prefer a chunky soup over a silky smooth soup, remove some of the florets before blending and add them back in after the soup has been blended.
  • Save time and buy pre-cut cauliflower from your grocery store.

Let the cauliflower soup cool to room temperature before storing it. Transfer it to an airtight container and refrigerate for up to 4 days. For longer storage, freeze the soup in portion sized container for up to 3 months. When reheating, add a splash of water or broth if needed to loosen the texture.

Serve this soup for lunch or dinner topped with a dollop of Greek yogurt, a sprinkle of shredded cheese, or a drizzle of olive oil. Pair it with:

A picture of cauliflower soup ina bowl

This comforting cauliflower soup is a simple base with plenty of room to make it your own. Once you have the basic soup, try one of these easy ways to boost the flavor or change it up.

  • Creamy – Add richness with a splash of heavy cream or coconut milk, or you can stir in 1 to 2 tablespoons of Greek yogurt.
  • Cheesy – Stir in a handful of shredded cheddar cheese just before serving. For a dairy-free option, add a spoonful of nutritional yeast.
  • Herbs – Finish the soup with fresh herbs like thyme, chives, rosemary or parsley.

Need help making veggies more exciting?
This guide has flavor tips and simple techniques to make any vegetable delicious.

an overhead picture of cauliflower soup ina blue bowl
What are the 3 ingredients in cauliflower soup?

The base recipe uses cauliflower florets, onion, and garlic. Water is used for cooking and thinning, and you season with salt and pepper to taste before serving.

Can I use broth instead of water?

Yes. Water works well because cauliflower has a strong flavor on its own. If you want a deeper taste, swap in vegetable stock or chicken broth, then thin the soup to your preferred consistency.

Can I make three-ingredient cauliflower soup in a slow cooker?

Yes, you can! This is a great option for larger batches. Cook the cauliflower, onions, and garlic with a little bit of water in a slow cooker for 5 to 6 hours. Blend, add water to adjust consistency, and season to taste.

Can I use frozen cauliflower?

Yes. Use about 6 to 7 cups of frozen florets and cook until tender. You may need a little extra cook time before blending.

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a close up of cauliflower soup in a bowl with cheese on top

3 Ingredient Cauliflower Soup Recipe – Easy and Delicious!

This creamy cauliflower soup uses just a handful of ingredients and comes together quickly for an easy, comforting meal.
Prep Time: 10 minutes
Cook Time: 20 minutes
Total Time: 30 minutes

Click on serving size to scale this recipe

Course: Soup
Cuisine: American
Keyword: 3 ingredient cauliflower soup
Servings: 4 People
Calories: 49kcal
Author: Anne Lawton

3 Ingredient Cauliflower Soup Recipe – Easy and Delicious!

Scale this Recipe 4 People

Ingredients

  • 1 Head Cauliflower medium in size
  • 1 Onion small, chopped
  • 2 cloves Garlic chopped or 1/2 teaspoon garlic powder
  • 3 cups Water or Vegetable broth
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Instructions

  • Rinse the cauliflower and trim it into sized pieces. Chop the onions and garlic.
  • Place the prepared cauliflower, onions and garlic into a saucepan with one cup of water. Cover and cook over medium heat for about 20 minutes. The cauliflower should be soft and mushy.
  • Use an immersion blender to puree the cauliflower into a mixture that is similar to the consistency of mashed potatoes. Gradually add the remaining water or broth stirring with a whisk until the soup reaches a texture that you like. Adjust the flavor and serve.

Notes

TIPS
  • To achieve the perfect consistency, gradually add the liquid to the soup.
  • Season with salt and pepper to taste just before serving.
  • Experiment with texture; if you prefer a chunky soup over a silky smooth soup, remove some of the florets before blending and add them back in after the soup has been blended.
  • Save time and buy pre-cut cauliflower from your grocery store.
Leftovers can be stored in the refrigerator in an airtight container for up to four days or frozen for up to three months.
 

Nutrition

Serving: 1cup | Calories: 49kcal | Carbohydrates: 10g | Protein: 3g | Fat: 0.4g | Saturated Fat: 0.2g | Polyunsaturated Fat: 0.1g | Monounsaturated Fat: 0.1g | Sodium: 44mg | Potassium: 476mg | Fiber: 3g | Sugar: 4g | Vitamin A: 1IU | Vitamin C: 72mg | Calcium: 41mg | Iron: 1mg

Nutrition information provided is an estimate and can vary based on cooking methods and ingredients used

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