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Home » Appetizers and Sides » Simple Oven Roasted Cauliflower

Simple Oven Roasted Cauliflower

Appetizers and Sides· Baking

8 Jun

Last Updated on August 18, 2025 by Michelle Mundy

Fresh cauliflower is tossed in an easy, tangy marinade and oven roasted to sweet perfection. A delicious simple side dish!

Cauliflower is a blank slate and this recipe offers a lot of flavor by using a combination of a marinade and a high heat oven roasting to seal the flavor in.

A great side dish that tastes good with almost everything. It’s delicious, even for people that typically aren’t fans of this vegetable!

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Ingredients for Oven Roasted Cauliflower on a board.

What You’ll Need to make Oven Roasted Cauliflower

  • Cauliflower – 1 large head cut into bite sized pieces (4-5 cups)

  • Olive Oil – We use extra virgin olive oil but any olive oil, avocado oil, vegetable oil or canola oil may be used for this recipe.

  • Garlic – Fresh garlic 2-3 cloves, thinly sliced. You can substitute garlic paste, minced garlic, chopped garlic,

  • Lemon Juice – Lemon juice adds a tangy brightness and acidity. You can use 2 tablespoons bottled or the juice from a medium lemon.

  • Parmesan Cheese – Grated, fresh or “green shaker Parmesan” can be used for this recipe.


Picture of finished, ready to eat Oven Roasted Cauliflower.

How to Make Simple Oven Roasted Cauliflower

A simple and flavorful side dish that is ready in 20 minutes is always a good recipe to have!

The oven needs to be hot to seal in the flavors so preheat the oven to 450 degrees F with the rack in the middle.

Picture of premixed marinade for Oven Roasted Cauliflower.

In a large bowl combine the olive oil, sliced garlic, lemon juice, salt, pepper and Parmesan cheese.

You can use fresh Parmesan for this but we actually prefer to use the green shaker type for two reasons. First, we always have it on hand, and secondly it seems to stick well to the cauliflower! 

Picture of mixed marinade for Oven Roasted Cauliflower with a whisk.

Whisk together to combine. The marinade will resemble a vinaigrette salad dressing.

Picture of raw cauliflower in a bowl being mixed with marinade with a wooden spoon for Oven Roasted Cauliflower.

Add the cauliflower pieces into the bowl with the marinade and toss until well coated.

Picture of coated cauliflower on a baking sheet ready to be put into the oven.

Spread the cauliflower in a single layer on a baking sheet.

Picture of finished Oven Roasted Cauliflower on a baking sheet.

Place the baking sheet into the oven and roast for 10 minutes then stir and return to the oven for additional 10 minutes.

Serve immediately. Enjoy!

Picture of finished Oven Roasted Cauliflower.

Other Easy Side Dish recipes you may like

Pan Fried Brussels Sprouts with Bacon – a perfect side dish – bacon just makes it better!

Garlic Parm Spaghetti Squash – a delicious side dish option full of antioxidants and vitamins.

Simple Sauteed Zucchini with Lemon – Tender bites of zucchini cooked with Italian seasoning, a hint of garlic and a burst of fresh lemon.

Melting Baby Potatoes – Crispy edges and flavorful, fluffy insides, these potatoes literally melt in your mouth!

Super Simple Sesame Noodles – Packed full of flavor and simple to make using pantry ingredients!

Simple Oven Roasted Cauliflower

Fresh cauliflower is tossed in an easy, tangy marinade and oven roasted to sweet perfection. A delicious simple side dish!
Print Recipe Pin Recipe
Prep Time 5 minutes mins
Cook Time 20 minutes mins
Total Time 25 minutes mins
Servings: 4 servings
Course: Keto, Side Dish
Cuisine: American
Calories: 171
Ingredients Method Nutrition

Ingredients
  

  • 1 large head of cauliflower bite sized pieces (4-5 cups)
  • 1/4 cup olive oil
  • 1 tbsp sliced garlic 2-3 cloves
  • 2 tbsp lemon juice
  • 1/2 tsp salt
  • 1/2 tsp black pepper
  • 2 tbsp grated Parmesan cheese
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Method
 

  1. Preheat oven to 450 degrees F.
  2. Combine all ingredients other than cauliflower in a large bowl and whisk together to combine.
  3. Add cauliflower to bowl and toss to coat.
  4. Spread cauliflower evenly onto a baking sheet.
  5. Place into oven and roast for 10 minutes then remove, stir and return to oven for additional 10 minutes.
  6. Serve immediately. Enjoy!

Nutrition

Calories: 171kcalCarbohydrates: 9gProtein: 4gFat: 15gSaturated Fat: 2gPolyunsaturated Fat: 2gMonounsaturated Fat: 10gCholesterol: 2mgSodium: 669mgPotassium: 454mgFiber: 3gSugar: 3gVitamin A: 24IUVitamin C: 73mgCalcium: 59mgIron: 1mg

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Let us know how it was!

  • Michelle Mundy

    As a busy working mom with kids on the go, I know how important it is to be able to make simple and delicious meals using everyday ingredients.

    The recipes shared here are family friendly with easy to understand step by step instructions. Tried and true, from our family to yours.

    Welcome to The Recipe Bandit!

    Click here to read more about me.

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About Me

  • Michelle Mundy

    As a busy working mom with kids on the go, I know how important it is to be able to make simple and delicious meals using everyday ingredients.

    The recipes shared here are family friendly with easy to understand step by step instructions. Tried and true, from our family to yours.

    Welcome to The Recipe Bandit!

    Click here to read more about me.

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