Delicious Roasted Cauliflower is easily made with olive oil, Parmesan cheese, and a handful of spices you may already have in your pantry. It is one of our favorite healthy ways to eat cauliflower and the perfect side dish for roasted pork, grilled salmon, or braised beef.

It is delicious and incredibly versatile. We often serve this recipe, which comes together quickly and is heart-healthy. Olive oil, herbs, and spices impart plenty of flavor. Have you tried any of my other cauliflower recipes? This recipe, Cauliflower Au Gratin, Loaded Cauliflower Casserole, and Cheesy Cauliflower Soup, are just a few of our favorites.

Ingredient Notes and Substitutions
See the complete list of ingredients below on the recipe card.
- Cauliflower: This recipe calls for one small to medium head of cauliflower. However, some of the heads we get at the town market are the size of small countries, so you may need to double the oil and spices.
- Seasonings: Garlic powder, onion powder, salt, black pepper, oregano, thyme, basil, and marjoram. Other spices and herbs include parsley, paprika, curry powder, and red pepper flakes. Use dried herbs before roasting and fresh herbs after roasting. For fresh herbs, try parsley, cilantro, rosemary, or thyme.
- Parmesan cheese: Freshly grated Parmesan cheese is worth every penny. It has a better texture, tastes better, and melts better than pre-grated Parmesan.
How to Make Roasted Cauliflower
This is the summary version; see the recipe card below for the complete list of ingredients and the instructions.
- Wash and cut the cauliflower off the stem into uniform-sized pieces. Dry thoroughly with paper towels.
- Whisk the olive oil, garlic powder, onion powder, salt, pepper, oregano, dried thyme, basil, and marjoram in a large bowl. Add the dried cauliflower pieces and toss gently to coat.
- Place the cauliflower on a parchment-covered baking sheet. Drizzle any remaining oil from the bowl over the cauliflower.
- Bake for 15-20 minutes, then remove it and sprinkle it with freshly grated Parmesan cheese. Return to the oven and roast for 5-7 minutes.

Preparation Tips
- Turn the cauliflower stem side up and remove large leaves from the base. Using a sharp knife, cut around the stem of the cauliflower. The florets will drop from the stem. Using your hands, break the cauliflower into large florets. Cut away any large or long stems. Using a sharp knife, cut any large florets into bite-sized pieces.
- I like using parchment paper on the baking sheet as it helps evenly brown it and keep it from sticking to the pan. Likewise, you can grease the baking sheet or cover it with aluminum foil.
- The roasting time varies with the size of the pieces you cut. It is done when the cauliflower is tender and lightly browned.

Flavor Variations
- Mexican: Omit the oregano, thyme, basil, marjoram, and Parmesan cheese. Replace them with 1 teaspoon chili powder, 1/2 teaspoon ground cumin, and 1/8 teaspoon ground cayenne. Garnish with chopped fresh cilantro.
- Cajun: Add 1 teaspoon paprika and 1/8 teaspoon ground cayenne pepper
- Mediterranean: Omit the oregano, thyme, basil, marjoram, and Parmesan cheese. Replace with 2 teaspoons of ground cumin and 1 teaspoon harissa spice. After baking, drizzle with fresh lemon juice.
- Sweet: Add 1 teaspoon of sugar. Sprinkle with golden raisins and pine nuts instead of Parmesan cheese. Return to the oven for 5-7 minutes.
More Roasted Vegetables

Roasted Cauliflower Recipe
Ingredients
- 1 head cauliflower
- ¼ cup extra virgin olive oil
- 1 teaspoon garlic powder
- ½ teaspoon onion powder
- ½ teaspoon salt
- ½ teaspoon fresh ground black pepper
- ½ teaspoon dried oregano
- ½ teaspoon dried thyme leaves
- ¼ teaspoon dried basil
- ¼ teaspoon marjoram
- ¼ cup finely grated Parmesan Cheese
Instructions
- Preheat oven to 400 degrees. Cover a baking sheet with parchment paper or grease it well.
- Wash and cut the cauliflower off the stem into uniform cauliflower florets. Dry very thoroughly with paper towels.
- In a large bowl, whisk together the olive oil, garlic powder, onion powder, salt, pepper, oregano, thyme, basil, and marjoram. Add the cut and dried cauliflower pieces and stir gently to coat.
- Place on the prepared baking sheet. Roast in the oven for 15-20 minutes. Remove from the oven and sprinkle with Parmesan Cheese. Return the cauliflower to the oven and roast for 5-7 minutes. Season with salt and freshly ground black pepper to taste.
Notes
- Store leftovers in an airtight container in the fridge for up to 3 days. For best results, reheat in an air fryer or oven.
- To freeze, first cool. Then, place the roasted cauliflower on a parchment-covered baking sheet and place the baking sheet on a level surface in the freezer. Once frozen, move the cauliflower to a freezer bag. Thaw in the fridge and reheat in an air fryer or the oven.
Nutrition
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Wendy
Everyone enjoyed this recipe! So delicious and just absolute perfection! I did a baking sheet of cauliflower and broccoli. Will make this regularly. Thank you for sharing
Beth Pierce
My pleasure Wendy! So glad that you liked it!
Kechi
That looks so flavorful; it will make a great side dish! I love the idea of returning it to the oven after sprinkling Parmesan! I have to try it that way! YUM
Danielle Wolter
I love the flavor of roasted cauliflower! This sounds like a great recipes, can’t wait to try it!
Kristina Tipps
I love cauliflower for an easy side dish with dinner. The spices and herbs here were perfect.
Jacq
Such a yummy combination of spices! Complimented the cauliflower beautifully. Thanks!
veena
Happy that it is veg. Bursting with flavors and quick and easy to make. Roasted sounds healthier too.
Lima
Absolute perfection – I love cauliflower and really enjoyed the cheesy twist
Natasha
I never knew that cauliflower could be this tasty and delicious. My family enjoyed and loved this recipe! This is definitely going to be one of our favorites.
Jen
This was so good!! Will definitely make it again!
Luci
I’m obsessed with roasted cauliflower! Your recipe is one of my favorites, I love the Parmesan and dried herbs because it adds so much flavor to the cauliflower! I’m saving this to make as a side for Thanksgiving, I know my family will love it too!