Roasted Cauliflower Soup
A velvety, deeply comforting soup built on oven-roasted cauliflower and garlic. The high-heat roasting brings out a nutty sweetness that simmering alone can't achieve, and a quick blend turns it into a silky smooth bowl. Perfect with crusty bread on a chilly evening.
For 4 servings
- prep
Preheat oven and prep the cauliflower.
1.Preheat oven to 425°F (220°C).2.Toss cauliflower florets with 2 tbsp olive oil on a baking sheet.3.Spread in a single layer and scatter the unpeeled garlic cloves around. - roast · ~25 min
Roast the cauliflower and garlic.
Roast for 20-25 minutes, tossing halfway, until the cauliflower is tender and deeply browned on the edges. The garlic should feel soft inside the skin.
TIPDon't skip the browning — it builds the soup's rich, nutty flavor. - prep
Squeeze roasted garlic from its skin.
Once the roasted garlic is cool enough to handle, squeeze each clove to release the soft, caramelized paste inside. Discard the skins.
- saute · ~4 min
Sauté the onion.
Heat 1 tbsp olive oil in a Dutch oven over medium heat. Add the diced onion and cook until softened and translucent, about 4 minutes.
- simmer · ~10 min
Add cauliflower, garlic, and water to simmer.
1.Add the roasted cauliflower florets and soft garlic paste to the pot.2.Pour in the water and add 0.5 tsp salt.3.Bring to a boil, then reduce heat and simmer gently for 10 minutes. - mix · ~1 min
Blend the soup until silky smooth.
Remove the pot from heat. Use an immersion blender to purée the soup directly in the pot until completely smooth. Alternatively, work in batches with a stand blender.
TIPVent the blender lid when puréeing hot liquids — steam pressure can force the lid off. - mix
Season with pepper and nutmeg.
Stir in a generous pinch of black pepper and a pinch of freshly grated nutmeg. Taste and adjust salt if needed.
- serve
Ladle into bowls, drizzle cream, and serve hot.
1.Ladle soup into warm bowls.2.Drizzle each serving with a little heavy cream.3.Scatter chopped chives over the top and serve immediately.TIPA swirl of good olive oil on top adds an extra layer of richness.
What to keep in mind.
6 tips from the recipe — small details that make a real difference to the final dish.
- 1Spread cauliflower in a single layer on the baking sheet to ensure even browning.
- 2Toss the florets halfway through roasting for caramelization on all sides.
- 3Roast the garlic with skins on to prevent burning and yield a sweet, soft paste.
- 4Let the roasted garlic cool slightly before squeezing to avoid burning your fingers.
- 5Use an immersion blender directly in the pot for easier, safer puréeing of hot soup.
- 6Taste and adjust salt after blending, as roasting concentrates flavors.
Adapt it for your goals.
Dairy-free
Omit the heavy cream drizzle or replace it with a swirl of unsweetened coconut cream or a drizzle of good olive oil for a vegan-friendly version.
smoky roasted cauliflower soupSmoky roasted cauliflower soup
Add 1/2 teaspoon smoked paprika to the roasting cauliflower for a subtle, smoky backbone that complements the nutty caramelization.
curried cauliflower soupCurried cauliflower soup
Sauté 1 tablespoon of curry powder with the onion to add warm, aromatic spices like cumin, coriander, and turmeric, turning this into a gently spiced bowl.
extra creamyExtra-creamy
Swap half the water for vegetable or chicken broth and add a small peeled potato to the simmering pot; the potato will break down and emulsify for an even silkier texture.
low carb/ketoLow-carb/keto
Replace the water with unsweetened almond milk or chicken broth and increase the cream to 1/4 cup per serving, keeping carbs low while maintaining richness.
Why this is on our healthy list.
Rich in Vitamin C
Cauliflower is an excellent source of vitamin C, an antioxidant that supports immune health and collagen production.
Low in Calories
This soup is naturally low in calories, making it a light yet satisfying meal or starter that fits well into weight-conscious eating plans.
High in Fiber
Cauliflower provides dietary fiber, which supports healthy digestion and helps you feel full longer.
Contains Glucosinolates
Cruciferous vegetables like cauliflower contain glucosinolates, compounds studied for their potential anti-inflammatory and protective properties.
Frequently asked questions
Yes, you can use frozen cauliflower, but it releases extra moisture during roasting, so it won't brown as deeply. Pat it dry before roasting, and consider extending the roast time by 5-10 minutes.



