Harissa Roasted Cauliflower is a flavorful side dish made by roasting cauliflower with a spicy harissa paste mixture until tender and caramelized. Serve it over hummus with pita and fresh vegetables, enjoy it as a simple side, or add it to your favorite grain bowl.

The cauliflower roasts until lightly crisp on the edges while the harissa mixture caramelizes into a spiced coating.
It's an easy way to add a lot of flavor to roasted vegetables with just a few pantry ingredients.
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Ingredients
Here's what you'll need to make it.

Cauliflower: Cut into evenly sized florets so they roast at the same rate and develop crispy edges.
Harissa Paste: A spicy chili paste made with peppers, garlic, and spices. The heat level varies by brand, so adjust the amount if you prefer a milder flavor.
Avocado Oil: Helps the cauliflower roast and caramelize. Any neutral oil with a high smoke point works well.
Maple Syrup: Adds a touch of sweetness to balance the heat of the harissa.
See recipe card for quantities.
How to Make This Recipe
This recipe comes together in just a few simple steps.
The full written recipe can be found in the recipe card below.

Step 1: Add the avocado oil, harissa paste, maple syrup, and seasonings into a large bowl and whisk well to combine.

Step 2: Cut the cauliflower into bite-sized florets and place them in the large bowl. Toss thoroughly to ensure all the cauliflower is evenly coated in the harissa mixture.

Step 3: Add the cauliflower to the prepared baking sheet. Arrange florets in a single layer, avoiding overcrowding.

Step 4: Roast for 24-27 minutes at 450℉, tossing once midway through, until lightly charred and tender.

Step 5: Garnish with fresh herbs of your choice, such as dill and cilantro, and serve as a side dish or alongside hummus and pita bread.
Serving Ideas
- With hummus and pita: Serve it over hummus with warm pita and fresh vegetables.
- As a side dish: Pair it with roasted vegetables, roasted potatoes, or lemon herb tofu.
- In a grain bowl: Add it to a bowl with quinoa, farro, or couscous along with greens and a creamy lemon tahini dill sauce.
- On a salad: Toss it with arugula, cucumbers, and a simple vinaigrette.
- In a wrap or pita: Stuff it into a pita with tomatoes, greens, and vegan tzatziki.
- On a mezze platter: Serve it alongside olives, baba ganoush, tabbouleh, and fresh vegetables.
Tips & Tricks
Dry the florets: Make sure the cauliflower is dry before tossing with oil to prevent steaming.
Avoid overcrowding: Spread the cauliflower in a single layer so it roasts instead of steams. Use two pans if needed.
Flip halfway: Toss the cauliflower halfway through roasting so all sides brown evenly.
Serve with something creamy: Pair with hummus, tahini sauce, or vegan yogurt.
Storage
Store: Store leftovers in an airtight container in the refrigerator for up to 3 days.
Reheat: For the best results, reheat in an air fryer for 4-6 minutes or a 350ºF oven until warmed through. In a pinch, you can use a microwave but keep in mind that the cauliflower will be soggy.

Frequently Asked Questions
Yes, you can start with as much as you're comfortable with and adjust from there. I use about a tablespoon and a half, which I find spicy but still flavorful without being overwhelmingly hot. You can also use a mild variety!
Fresh cauliflower works best for roasting because it caramelizes better. Frozen cauliflower tends to release more moisture and may become softer.
Yes. Toss the cauliflower with the harissa mixture and air fry at 400°F until lightly charred.
More Roasted Vegetable Recipes
Looking for other veggie side dish recipes like this? Try these:
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Recipe

Harissa Roasted Cauliflower
Ingredients
- 1 large head of Cauliflower cut into florets
- 1 tablespoon Avocado Oil
- 1 ½ tablespoons Harissa Paste
- 1 tablespoon Maple Syrup
- ½ teaspoon Smoked Paprika
- ½ teaspoon Cumin
- ½ teaspoon Garlic Powder
- ½ teaspoon Onion Powder
- ½ teaspoon Kosher Salt see note
- ¼ teaspoon Black Pepper
- Fresh Herbs for garnish
Instructions
- Preheat oven to 450℉ and line a large baking sheet with parchment paper.
- Add the avocado oil, harissa paste, maple syrup, paprika, cumin, onion powder, garlic powder, Kosher salt, and black pepper into a large bowl and whisk well to combine.
- Cut the cauliflower into bite-sized florets and place them in the large bowl. Toss thoroughly to ensure all the cauliflower is evenly coated in the harissa mixture.
- Add the harissa cauliflower to the prepared baking sheet. Arrange florets in a single layer, avoiding overcrowding.
- Roast for 24-27 minutes, tossing once midway through, until lightly charred and tender.
- Taste and adjust the salt, if needed.
- Garnish with fresh herbs of your choice, such as dill and cilantro, and serve as a side dish or alongside hummus and pita bread. Enjoy!
Notes
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