Garlic Parmesan Whole Roasted Cauliflower

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For anyone searching for a deliciously simple whole-roasted cauliflower recipe, this is the one!

This recipe takes a head of cauliflower and oven roasts it in garlic butter, lemon zest, and lots of tangy parmesan cheese!

a whole roasted cauliflower with a wedge cut out

Healthy Whole Cauliflower

  • Cauliflower has been the low-carb darling because there are so many ways to prepare it!
  • This whole roasted cauliflower is a great side dish that packs lots of flavor.
  • Healthy, filling, and delicious, this roasted whole cauliflower recipe is as striking on the plate as it is delicious to eat!
  • Cut into slices or wedges and serve as a hearty side dish. Top with pieces of crumbled bacon cooked in the oven.
ingredients to make garlic parmesan whole roasted cauliflower, including, lemon, cauliflower, butter, lemon, and parmesan cheese


Cauliflower – Choose a heavy head of fresh cauliflower surrounded by thick green leaves. Remove leaves and rinse any dirt or debris from the head. Pat dry before seasoning.

Butter – We love the flavor of butter (of course) and the way it browns but olive oil works too.

Seasoning – Season the whole head of cauliflower any way you like! I keep it relatively simple with just a bit of parmesan cheese and garlic powder but this recipe lends itself well to your favorite seasonings and spices.

How to Roast a Whole Cauliflower

  1. Trim away the leaves, wash the cauliflower and trim the stem with a sharp knife.
  2. Place it in a Dutch oven and brush it with the remaining ingredients.
  3. Cover and bake (the steam helps cook it) until tender.
  4. Sprinkle with parmesan cheese & broil until browned & crispy.

Side Sauces

a wedge of roasted cauliflower

How to Store Leftovers

  • Keep leftover cauliflower in a covered container in the refrigerator for up to 3 days.
  • Reheat by pan-frying slices, or mash or chop leftovers for soups, stews, or stir-fries.
  • Freeze portions wrapped tightly in plastic wrap and place them in a zippered bag for up to 1 month.

More Cauliflower Favorites

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a whole roasted cauliflower with a wedge cut out

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Garlic Parmesan Whole Roasted Cauliflower

An entire head of cauliflower is brushed with a simple homemade garlic butter and baked until tender.

Prep Time 15 minutes

Cook Time 1 hour

Total Time 1 hour 15 minutes

Servings 6 servings

  • Preheat oven to 375°F.

  • Trim leaves from cauliflower head. Place head in a dutch oven.

  • Combine butter, garlic, lemon zest, salt, and pepper. Brush mixture on top of cauliflower head.

  • Cover with foil (the steam helps cook it) and bake for 45-55 minutes or until cauliflower is tender.

  • Remove foil, sprinkle on parmesan cheese and broil until the cheese is browned and crispy. Garnish with parsley, if desired.

Optional: For softer cauliflower, add 2 tablespoons of broth or water to the bottom of the pan.
If you don’t have a dutch oven, this can be baked in a dish and covered with foil.

4.70 from 20 votes↑ Click stars to rate now!
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Calories: 80 | Carbohydrates: 1g | Protein: 1g | Fat: 8g | Saturated Fat: 5g | Cholesterol: 21mg | Sodium: 197mg | Potassium: 60mg | Vitamin A: 360IU | Vitamin C: 11mg | Calcium: 28mg | Iron: 0.2mg

Nutrition information provided is an estimate and will vary based on cooking methods and brands of ingredients used.

Course Side Dish
Cuisine American

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