Creamy Onion Cauliflower Soup (Printable)

A velvety blend of onions and cauliflower offers a comforting, low-carb light dish.

# What You Need:

→ Vegetables

01 - 1 medium head cauliflower (about 21 oz), cut into florets
02 - 2 large yellow onions, sliced
03 - 2 cloves garlic, minced
04 - 1 stalk celery, chopped

→ Liquids

05 - 4 cups low-sodium vegetable broth
06 - 1 cup unsweetened almond milk or heavy cream

→ Fats & Seasonings

07 - 2 tablespoons olive oil or unsalted butter
08 - 1/2 teaspoon sea salt, plus more to taste
09 - 1/4 teaspoon ground white or black pepper
10 - Pinch of freshly grated nutmeg, optional

→ Garnish

11 - Chopped chives or parsley, optional
12 - Cream or olive oil swirl, optional

# How-To:

01 - Heat olive oil or butter in a large pot over medium heat. Add sliced onions and chopped celery, sautéing for 8-10 minutes until onions become soft and translucent.
02 - Add minced garlic and cook for 1 minute until fragrant.
03 - Add cauliflower florets and sauté for another 2 minutes to develop flavor.
04 - Pour in vegetable broth and bring to a boil. Reduce heat, cover, and simmer for 20 minutes until cauliflower is very tender.
05 - Remove from heat and use an immersion blender to puree the soup until smooth and creamy. Alternatively, blend in batches using a countertop blender.
06 - Stir in almond milk or cream, salt, pepper, and nutmeg if using. Warm gently over low heat and adjust seasoning to taste.
07 - Ladle soup into bowls and serve hot, garnished with chives, parsley, or a swirl of cream as desired.

# Expert Advice:

01 -
  • It comes together in under an hour, making weeknight cooking feel manageable instead of like a chore.
  • One pot, minimal cleanup, and somehow you end up with something restaurant-quality that makes you feel accomplished.
  • Naturally low-carb and vegan-friendly, so it works whether you're eating light or feeding a mixed table.
02 -
  • If you over-blend or blend too vigorously, the soup can become gluey rather than silky—gentle pulses with an immersion blender work better than aggressive power.
  • The nutmeg is a game-changer, but it's sneaky; start with just a pinch because a little goes a long way and transforms the entire bowl.
03 -
  • Cut all your vegetables roughly the same size before you start cooking—this ensures even cooking and a smoother final texture when blended.
  • Taste the soup before serving and adjust seasoning salt by salt; what seems mild warm feels different in a hot bowl, so taste-test hot if you can.
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