This Oven Roasted Broccoli Recipe is made with Garlic and Olive Oil and is a delicious and nearly effortless way to incorporate more nutritious vegetables into mealtime! This easy side dish is bright and flavorful and the texture of the broccoli is perfectly crispy and crunchy.

At our house, we love vegetables, and one of our favorite things to do is roast vegetables in the oven or air fryer –

We love to roast whatever vegetables we have in the fridge. Roasted vegetables make such a healthy side dish – and served with some Cajun blackened chicken and buttery rice pilaf – you have the perfect, easy meal.

A cookie sheet with roasted broccoli and garlic on it.
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Roasted Broccoli with Olive Oil and Garlic is one of our favorite side dishes, not only because it is such an easy side dish to make but also because of how delicious it is. It’s my favorite way to eat broccoli.

If you’re a broccoli lover like I am, I think you will love this recipe!

Oven Roasted Broccoli Ingredients

This is just a quick overview of the ingredients that you’ll need for the best roasted broccoli recipe. As always, specific measurements and complete cooking instructions are included in the printable recipe card at the bottom of the post.

  • Fresh Broccoli Florets – You can use a bag of already cut-up broccoli florets (I love the giant bag from Costco) – or you can cut up a fresh head or crown of broccoli into florets.
  • Fresh Garlic Cloves – Using fresh minced garlic adds more flavor to roasted broccoli than garlic powder. (Use 1 – 2 teaspoons of garlic powder per head/crown of broccoli if you are out of fresh garlic.)
  • Olive Oil
  • Kosher Salt – I add salt before cooking, then finish the broccoli with another little sprinkle of salt.
  • Black Pepper
  • Crushed Red Pepper Flakes
  • Optional Ingredients – Sliced Onions, Fresh Lemon Juice, and Parmesan Cheese
The ingredients for roasting broccoli in the oven, labeled.

Can You Use Frozen Broccoli?

Yes, you absolutely can roast frozen broccoli!

Do NOT let it thaw – just toss it in oil and season it, then spread it out on a baking sheet. Increase the heat, though, and roast at 425°F-450°F. This will keep the broccoli from getting soggy. If you use frozen broccoli, be sure to preheat the oven completely.

How to Make Roast Broccoli in the Oven

First, preheat your oven to 375°F. 

Next, chop up a head of broccoli into somewhat bite-sized pieces. 1-2-inch pieces are ideal. (You can save the stem/stalk and leaves that you trim off for making bone broth, broccoli cheese soup, or feed it to your dog.) Then, finely dice 3-4 cloves of garlic and (optionally) dice half of a medium-sized onion. (The onion is optional but does add some more flavor!)

Place the chopped broccoli and optional onion in a large bowl.

Drizzle 3-4 tablespoons of olive oil over the broccoli florets. (Picture 1)

Season with garlic, salt, black pepper, and red pepper flakes. (Pictures 2 – 3) Toss to combine. (Picture 4)

Spread the broccoli florets in a single layer on a baking sheet with a non-stick mat, parchment paper, or on some aluminum foil for easier cleanup! (Picture 5)

A collage of images showing how to cook broccoli in the oven, steps 1 - 5.

Roast the broccoli for 10-15 minutes, then toss the broccoli florets and rotate the baking sheet 180° to ensure even cooking.

Bake for another 10-15* minutes until the broccoli is fork-tender but not mushy. If you use onions, they should be translucent.

Then, serve and enjoy!

A cookie sheet in the oven with broccoli roasting on it.

Note

*Cooking time may vary just a little based on the size of the broccoli pieces and how well you spread them out on the sheet pan. The longer you cook the broccoli, the more it will dry out and the crispier the edges will be.

If you want the broccoli to be soft, cook it at a lower temperature with the broccoli florets close together so it steams a bit, more than roasts. (You can even cook it in a baking dish, instead of on a sheet pan.)

Make Charred Broccoli or Crispy Burnt Broccoli

If you want to get that burnt broccoli crispiness that some people love, you can move the pan under the broiler for a few extra minutes at the end.

Easy Roasted Broccoli Variations

  • Lemon Parmesan Roasted Broccoli – Toss your broccoli with some lemon zest and a squeeze of lemon juice, then top it with some freshly grated parmesan cheese for the last few minutes of cooking for a new way to enjoy oven-roasted broccoli. It will have a nice hint of lemon flavor, some subtle roasted garlic flavor, and a little bit of crispy melty cheese on top.
  • Extra Crispy Broccoli – Toss some panko bread crumbs with the broccoli for the last few minutes of baking to give it a little added crunch. Parmesan cheese AND bread crumbs is even better!
  • Replace the broccoli with cauliflower.

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Storage & Reheating

How to Store Leftovers

Store leftover broccoli (once cooled) in an airtight container in the refrigerator.

How to Reheat Leftovers

You can reheat your broccoli in the microwave (it will lose some crunch this way) or reheat it for 5 – 10 minutes in the oven at 350°F. You can also reheat it in the air fryer.

A cookie sheet with roasted broccoli and garlic on it.

🥦 Other Side Dish Ideas

Have You Tried This Recipe?
Please rate it and leave a comment below. I would love to hear what you think!

A cookie sheet with roasted broccoli and garlic on it.

Easy Oven Roasted Broccoli with Garlic and Olive Oil

5 from 3 votes
Oven Roasted Broccoli with Garlic and Olive Oil is a fresh, quick, and flavorful way to add vegetables to your weeknight dinners. This broccoli is bright, crunchy, and packed with flavor.
Author: Kari
Servings: 3
Prep: 5 minutes
Cook: 30 minutes
Total: 35 minutes

Ingredients  

Optional

  • ½ medium onion , diced or sliced

Instructions 

  • First, preheat your oven to 375°F.
  • Next, chop up a head of broccoli into somewhat bite-sized pieces. Then, finely chop garlic and (optionally) dice half of a medium-sized onion.
    1 head broccoli, 2-3 cloves garlic, minced or finely chopped, ½ medium onion
  • Place the chopped broccoli and optional onion in a large bowl.
  • Drizzle extra virgin olive oil over the chopped broccoli.
    3-4 tablespoons olive oil
  • Season with garlic, salt, pepper, and red pepper flakes and toss to combine.
    1 teaspoon kosher salt, ½ teaspoon black pepper, ¼ teaspoon crushed red pepper flakes
  • Spread the broccoli out in a single layer on a baking sheet covered with a non-stick mat, parchment paper, or foil for easier cleanup!
  • Roast the broccoli for 10-15 minutes, then toss the broccoli and rotate your baking sheet 180° to ensure even cooking.
  • Bake for another 10-15 minutes until broccoli is fork-tender but not mushy. If you use onions, they should be translucent.*
  • Serve with any dinner for a quick and delicious meal.

Notes

*Cooking time may vary just a little based on the size of the broccoli pieces and how well you spread them out on the sheet pan. The longer you cook the broccoli, the more it will dry out and the crispier the edges will be.
If you want the broccoli to be soft, cook it at a lower temperature with the broccoli florets close together so it steams a bit, more than roasts. (You can even cook it in a baking dish, instead of on a sheet pan.)

Storage & Reheating

How to Store Leftovers
Store leftover broccoli (once cooled) in an airtight container in the refrigerator.
How to Reheat Leftovers
You can reheat your broccoli in the microwave (it will lose some crunch this way) or reheat it for 5 – 10 minutes in the oven at 350°F. You can also reheat it in the air fryer.

Nutrition

Serving: 1.5cupsCalories: 374kcalCarbohydrates: 17gProtein: 6gFat: 33gSaturated Fat: 5gSodium: 847mgPotassium: 687mgFiber: 6gSugar: 4gVitamin A: 1312IUVitamin C: 184mgCalcium: 109mgIron: 2mg

Nutrition information is approximate and is automatically calculated, so should only be used as a guide.

Course: Side Dish
Cuisine: American
Keyword: oven roasted broccoli, roast broccoli, roasted broccoli with garlic and olive oil
Did you make this recipe?Mention @southernbytes or tag #southernbytes!

What to Serve with Broccoli

Serve this simple roasted broccoli with any dinner for a quick and delicious meal. Serve it fresh from the oven with brown sugar baked ham, instant pot shredded chicken, crispy fried shrimp, crockpot turkey tenderloins, or Instant Pot country-style ribs.

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Hi, I'm Kari!

I am a newlywed, food blogger, health coach, and mama to a hot mess of a border collie. I love to put a new spin on old family recipes and I try to make as many meals as possible with an Instant Pot.

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