Roasted Cauliflower Soup with Sage Chili Oil

Let’s talk about soup. Not just any soup—the soup you’ll want to wrap yourself in like a warm blanket on a chilly day. Enter the Roasted Cauliflower Soup with Sage Chili Oil! I know cauliflower isn’t always the life of the party, but trust me, after a little time in the oven, it transforms into a golden, caramelized goodness. Pair that with roasted garlic (because garlic makes everything better), and you’ve got yourself a bowl of comfort with a kick of spice.

Now, if you’re thinking, “Cauliflower? Really?” stick with me. This isn’t your bland, sad veggie moment. This is a creamy, dreamy soup that’s perfect for cozy nights, lazy lunches, or impressing guests who think they’ve tasted it all.

Why Roasted Cauliflower?

Cauliflower is like that friend who seems quiet at first but really knows how to throw a party. Roasting it brings out all its nutty, rich flavors—plus, it makes your kitchen smell amazing. And then there’s the roasted garlic… We’re talking soft, buttery cloves you can practically spread on toast (which I’ve been known to do). When you blend it all together with warm spices like cumin, turmeric, and a little cayenne, the soup becomes this thick, velvety hug in a bowl.

But Wait, There’s More!

Oh, did I mention the Sage Chili Oil? This isn’t just any drizzle, my friends. This is where the party really gets started. Fresh sage leaves and red chili peppers get a hot oil bath that turns them into crispy little flavor bombs. When you pour this over the creamy soup, you get these little pops of heat and herbaceous goodness in every bite.

Plus, it’s ridiculously fun to make. Watching that hot oil hit the chili and sage is like a mini fireworks show in your kitchen. (And yes, you can totally show off your fancy oil-drizzling skills on Instagram.)

Ingredients and Substitutes for the Roasted Cauliflower Soup

1. Cauliflower:
The star of the show! Roasting brings out its natural sweetness and nutty flavor. If you don’t have cauliflower, you can swap it for broccoli. The soup will be a little greener and just as delicious.

2. Garlic:
Roasting a whole head of garlic turns it soft and buttery, adding depth to the soup. If you’re in a rush, you can use 2-3 cloves of raw garlic, but the roasted version really takes this soup to another level!

3. Onion:
Onion adds a nice savory base to the soup. Yellow or white onions work best, but if you only have red onions on hand, they’ll do the trick too!

4. Spices (Cumin, Cayenne Pepper, Turmeric):
These spices give the soup warmth and a bit of heat. If you don’t have cumin or turmeric, you can try ground coriander or smoked paprika for a slightly different flavor profile. As for the cayenne, adjust to your heat preference or skip it if you’re not into spicy.

5. Vegetable Broth (or Water):
Using vegetable broth gives the soup more flavor, but water works just fine if you’re out of broth. You can also use a low-sodium broth if you’re watching your salt intake. For extra creaminess, you can swap in part of the broth with coconut milk.

6. Olive Oil:
Olive oil helps the cauliflower and garlic roast beautifully and adds richness to the soup. Feel free to use any other neutral oil like avocado oil or even coconut oil for a slightly different flavor.

7. Sage Chili Oil (Sage, Chili Peppers, Oil):
The sage chili oil brings a spicy, herby kick. No sage? Try rosemary or thyme for a different but equally delicious herbal note. You can also replace the red chili peppers with dried chili flakes or jalapeños if that’s what you have on hand.

How to Serve Up the Roasted Cauliflower Soup

This roasted cauliflower soup is best served hot with a side of croutons or some toasted sourdough. I like to drizzle a bit more olive oil on the bread because, well, why not? You could even add a sprinkle of chili flakes if you’re feeling extra bold. It’s a recipe that feels fancy but is super simple to whip up, which is the best kind of recipe if you ask me!

The Best Part?

This soup is completely vegangluten-free, and packed with flavor. So whether you’re cooking for two, meal-prepping for the week, or just trying to impress your friends with a cozy fall dish, this one’s a keeper.

Other cozy fall recipes for you:

Print

Roasted Cauliflower Soup with Sage Chili Oil

This creamy roasted cauliflower soup with sage chili oil is the ultimate cozy fall dish. Packed with flavor, it's vegan, gluten-free, and perfect for a warming, healthy meal.
Course Dinner, Lunch
Cuisine American, European
Keyword cauliflower soup, Cauliflower wings, Roasted cauliflower soup
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings 4
Calories 168kcal

Ingredients

  • 1 head of cauliflower
  • 1 head of garlic
  • 1 onion
  • 1 tsp ground cumin
  • 1 tsp cayenne pepper
  • ½ tsp ground turmeric
  • 1-1.2 liters 4-5 cups vegetable broth (or water)
  • 1-2 tbsp olive oil

Sage Chili Oil:

  • 6-7 sage leaves
  • 2 red chili peppers
  • 30-45 ml 2-3 tbsp oil (olive oil or any neutral oil)

Instructions

Roast the vegetables:

  • Preheat your oven to 190°C (375°F).
  • Separate the cauliflower into florets, cutting any large florets into smaller pieces.
  • Peel and quarter the onion.
  • Place the cauliflower and onion on a baking tray, drizzle with 1-2 tbsp of olive oil, and sprinkle with ground cumin, cayenne pepper, and turmeric. Toss to coat the vegetables evenly in the oil and spices.
  • Cut off the top of the garlic head, drizzle with olive oil, and wrap it in aluminum foil.
  • Place the garlic on the tray with the cauliflower and roast everything in the oven for 30 minutes or until golden brown and tender.

Blend the soup:

  • Once roasted, transfer the cauliflower, onion, and roasted garlic (squeeze the soft garlic cloves out of their skins) to a large pot if using a hand blender. If using a stand blender, let the vegetables cool slightly and add them to the blender jar.
  • Add 1 liter (4 cups) of vegetable broth, and blend until smooth and creamy. If the soup is too thick, add the remaining broth (up to 1.2 liters / 5 cups) until the desired consistency is reached. Season with salt and pepper to taste.

Prepare the Sage Chili Oil:

  • Finely dice the chili peppers and place them in a small heatproof bowl along with the sage leaves and a pinch of salt.
  • Heat the oil in a small pan over medium heat until hot, then carefully pour the hot oil over the chili peppers and sage. Let it sizzle for a minute to infuse the oil.

Serve:

  • Ladle the creamy roasted cauliflower soup into bowls, drizzle with the sage chili oil, and serve hot.
  • Pair with croutons or toasted sourdough drizzled with olive oil for an extra crunch.

Nutrition

Calories: 168kcal | Carbohydrates: 16g | Protein: 4g | Fat: 11g | Saturated Fat: 1g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 7g | Trans Fat: 0.03g | Sodium: 1041mg | Potassium: 571mg | Fiber: 4g | Sugar: 7g | Vitamin A: 958IU | Vitamin C: 104mg | Calcium: 49mg | Iron: 1mg
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