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Bowl of Blackened Cauliflower Soup with Napkin and Drinking Glass in the Background
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5 from 2 votes

Blackened Cauliflower Soup

Roasted cauliflower blends up with a touch of coconut milk to make the creamiest, dreamiest, and totally dairy-free soup. Oh, and this vegan cauliflower soup gets an extra flavor punch from Cajun blackening spices!
Prep Time15 minutes
Cook Time50 minutes
Total Time1 hour 5 minutes
Course: Soup
Cuisine: American
Servings: 4
Calories: 316kcal
Author: Alissa

Ingredients

  • 1 medium garlic bulb
  • 2 tablespoons olive oil divided
  • 1 large cauliflower crown, leaves removed, chopped into 1-2 inch pieces
  • 1 ½ tablespoons blackening seasoning, store bought or homemade
  • 1 large onion, peeled and quartered
  • 3-5 cups vegetable broth
  • 1 cup canned coconut milk
  • 2 teaspoons white wine vinegar
  • Salt to taste
  • Toppings of choice (hot sauce, scallions, parsley)

Instructions

  • Preheat the oven to 425°F.
  • Cut the top off of the garlic bulb. Drizzle with 1 tablespoon olive oil and loosely wrap in foil.
  • Toss the cauliflower and onion pieces with 1 tablespoon olive oil and blackening seasoning. Arrange in a single layer on a baking sheet, or in a roasting pan or oven-safe skillet.
  • Place everything into the oven to roast, tossing the cauliflower every 15 minutes or so. 
  • Remove the cauliflower and onion from the oven when they become very tender (about 30-35 minutes), and remove the garlic when the cloves are browned and very soft (about 40-45 minutes). Allow everything to cool for a few minutes.
  • Once the veggies are cool enough to handle, transfer them to a large pot. You'll need to squeeze the garlic bulb to extract the roasted cloves. 
  • Add 3 cups of broth and coconut milk to the pot and place it over high heat. Bring the liquid to a boil, lower heat and simmer for about 5 minutes, until the cauliflower nearly falls apart when stabbed with a fork.
  • Blend the mixture with an immersion blender, or carefully transfer it in batches to a food processor or blender to blend, then return it to the pot.
  • Thin the soup with additional broth if desired. Stir in the white wine vinegar and season with salt to taste. Reheat on the stove if needed.
  • Ladle into bowls and serve with toppings of choice.

Nutrition

Calories: 316kcal | Carbohydrates: 21.1g | Protein: 11.1g | Fat: 23.1g | Saturated Fat: 14.1g | Sodium: 1129mg | Potassium: 1093mg | Fiber: 7.4g | Sugar: 9.3g | Calcium: 60mg | Iron: 2.5mg