Equipment
Ingredients
Vegetables
- 1 cauliflower, cut into medium florets
- 1 yellow onion, roughly chopped
- 2 garlic, minced
Base and Seasoning
- 30 ml olive oil
- 3 g turmeric powder
- 800 ml vegetable broth
- 120 ml heavy cream
- 5 g salt
- 2 g black pepper, freshly ground
Garnish
- 2 g fresh thyme, leaves picked from stems
- 5 g fresh chives, finely chopped
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 254 kcal
- Protein
- 6 g
- Carbohydrates
- 18 g
- Fat
- 19 g
- Fiber
- 5 g
- Sugar
- 7 g
- Sodium
- 1162 mg
- Saturated Fat
- 8 g
- Trans Fat
- 0 g
- Monounsaturated Fat
- 8 g
- Polyunsaturated Fat
- 1 g
- Cholesterol
- 34 mg
- Potassium
- 760 mg
- Calcium
- 90 mg
- Iron
- 1.8 mg
- Magnesium
- 42 mg
- Phosphorus
- 130 mg
- Zinc
- 0.8 mg
- Vitamin A
- 161 mcg
- Vitamin C
- 102 mg
- Vitamin D
- 0.5 mcg
- Vitamin E
- 1.6 mg
- Vitamin K
- 38 mcg
- Vitamin B6
- 0.5 mg
- Vitamin B12
- 0.1 mcg
- Thiamin
- 0.17 mg
- Riboflavin
- 0.22 mg
- Niacin
- 1.4 mg
- Folate
- 123 mcg
- Water
- 433 g
Sources: Aggregated Public Data, USDA FoodData Central
Method
Heat the olive oil in a large pot over medium heat. Add the chopped onion and cook until softened and translucent.
Stir in the minced garlic, turmeric powder, and black pepper. Cook stirring constantly to toast the spices and release their essential oils.
Add the cauliflower florets, vegetable broth, and salt to the pot. Bring the liquid to a gentle simmer around 90 degrees Celsius or 195 degrees Fahrenheit.
Remove the pot from the heat. Carefully blend the mixture using an immersion blender until completely smooth and velvety.
Stir the heavy cream into the pureed soup until fully incorporated. Taste the soup and adjust the seasoning with additional salt and pepper if needed.
Ladle the warm soup into bowls and scatter the fresh thyme leaves and chopped chives over the top before serving.
Chef's Notes
- For an extra layer of flavor, try roasting the cauliflower florets in the oven until caramelized before adding them to the soup pot.
- Black pepper is not just for flavor here; its piperine content increases the bioavailability of turmeric's curcumin by up to two thousand percent.
- Always remove the soup from the heat before stirring in dairy to prevent the cream from splitting or curdling.
- The fresh herbs provide a necessary bright contrast to the earthy, rich flavors of the soup base. Do not skip the garnish.
Storage
Refrigerator: 4 days — Store in an airtight container once completely cooled.
Freezer: 2 months — Freeze without the heavy cream added; stir cream in upon reheating to prevent separation.
Reheating: Warm gently on the stovetop over low heat, adding a splash of water or milk to loosen if it has thickened.
Troubleshooting
Soup is too thin and watery
Cause: Too much broth relative to the size of the cauliflower head
Fix: Simmer the pureed soup uncovered for 10-15 minutes to reduce and thicken, or blend in a small amount of mashed potato.
Prevention: Weigh the cauliflower florets to ensure proper ratios
Soup texture is grainy
Cause: Cauliflower was not cooked completely soft before blending
Fix: Return the soup to a simmer for 10 more minutes, then re-blend thoroughly.
Prevention: Test the thickest stems with a fork to ensure they offer absolutely no resistance
Cultural Context
Cauliflower has long been a staple of British home cooking, famously appearing in the beloved comfort dish Cauliflower Cheese. This soup elevates the humble brassica into a modern, lighter appetizer, reflecting contemporary culinary trends that enthusiastically embrace global spices like turmeric while remaining rooted in seasonal, warming traditions.
