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Spicy Roasted Cauliflower

This spicy roasted cauliflower is flavored with smoky cumin and chili powder, taking it from bland to bold and flavorful!

Spicy roasted cauliflower on a baking sheet.

I think I’ve mentioned a few times on this site how we love roasted vegetables—it’s almost the only way we eat them. And anything can be roasted: onions, squash, peppers, green beans…the roasting process adds a touch of caramelization and brings out the natural sweetness in the vegetables so there is very little that needs to be added.

Our latest love is Spicy Roasted Cauliflower. I fix it the same way as my Caramelized Roasted Brussels Sprouts, just without the brown sugar.

A head of cauliflower to cut and roast.

Helpful tools and ingredients

  • Baking pans – I use these Nordic Ware baking pans for so many things!
  • Chef’s knife – you’ll need a good knife to cut your cauliflower. I never recommend buying one of those sets of knives. Just a chef’s knife, paring knife, and serrated knife and you can do pretty much everything you need.
  • Large cutting board – I love this size of this cutting board! I hate when I’m chopping onions or something else and pieces go flying off because the cutting board isn’t large enough. That will not happen with this baby!
  • Cauliflower
  • Olive oil
  • Chili powder
  • Cumin

How to make spicy roasted cauliflower

Step 1. Preheat the oven to 450°, then wash and pat dry the head of cauliflower. Cut off the stem and leaves and chop the cauliflower into smaller pieces.

Cook’s Tip: Be sure your cauliflower is completely dry! You can do this part a day or two in advance before making the Spicy Roasted Cauliflower.

Step 2. Pile all the cauliflower pieces right in the middle of a large sheet pan and then drizzle olive oil, chili powder, cumin, and salt, and pepper over the top. I like the cumin because it gives a little bit of a smoky, spicy flavor without any heat.

Cauliflower on a baking sheet ready to roast.

Step 3. Spread out the cauliflower so that each piece has plenty of room on the baking sheet. If you have too much on the pan when roasting any vegetables, they will steam instead of roast and the taste and texture just won’t be as good.

Step 4. Pop the pan into the oven and roast for 25-30 minutes. The spicy roasted cauliflower should be brown around the edges and slightly crispy.

Serving suggestions

We love a simple combination of Roasted Brussels Sprouts and brown rice with this Spicy Roasted Cauliflower and frequently have that for dinner.

Other suggestions include Cider-Brined Pork Roast and Southern Green Beans–that would be a great meal!

Spicy roasted cauliflower on a white plate with a fork.

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This spicy roasted cauliflower is flavored with smoky cumin and chili powder, taking it from bland to bold and flavorful!

Spicy Roasted Cauliflower

Yield: 4 servings
Prep Time: 10 minutes
Cook Time: 30 minutes
Total Time: 40 minutes

This spicy roasted cauliflower is flavored with smoky cumin and chili powder, taking it from bland to bold and flavorful!


  • 1 head cauliflower
  • 3 tablespoons extra virgin olive oil
  • 1 teaspoon kosher salt
  • 1 teaspoon freshly ground black pepper
  • 1/2 tablespoon cumin
  • 1/2 tablespoon chili powder


  1. Preheat oven to 425.
  2. Cut stem and leaves from cauliflower and cut head into smaller pieces.
  3. Pile all the pieces in the middle of a sheet pan and sprinkle with chili powder, cumin, salt, and pepper.
  4. Drizzle with olive oil then mix and turn the cauliflower until each piece is coated with seasoning and oil.
  5. Spread the cauliflower pieces out over the pan.
  6. Roast for 25-30 minutes until turning brown and slightly crisp around the edges.
  7. Serve immediately.
Nutrition Information:
Yield: 4 Serving Size: 4 servings
Amount Per Serving: Calories: 121Saturated Fat: 1gSodium: 614mgCarbohydrates: 5gFiber: 2gSugar: 2gProtein: 2g

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Update Notes: This Spicy Roasted Cauliflower recipe was originally published January 9, 2012, and on November 3, 2019, was updated with one or more of the following: step-by-step photos, video, updated recipe, new tips.

Looking for other ways to use cauliflower? Try this Creamy Cauliflower Sauce or Roasted Cauliflower Soup.

More vegetables you’ll love:

Find more of our great Sides and Vegetables here!

Favorite Ingredients
A glass of super green smoothie with a pink straw and an orange on a cutting board.
Super Green Smoothie

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Weekend Cowgirl

Sunday 15th of January 2012

Have roasted other veggies, but never cauliflower. Sounds great so trying it as soon as I can get to store!