I always thought frozen broccoli wouldn’t work well for roasting because it’s just too wet, but it turned out great. This oven roasted frozen broccoli recipe is now one of my favorite easy side dishes. Follow Apronese to see how to make it!

Is Roasted Frozen Broccoli Crispy?

Roasted frozen broccoli florets will not be as crispy as roasted fresh broccoli, but the edges of the florets still develop a nice gentle brown color, giving that slightly smoky roasted flavor.

The inside of the broccoli florets maintains a nice level of moisture.

How to Keep It from Turning out Wet?

Frozen broccoli can have a lot of ice on the outside, so it’s really important to space out the broccoli florets well on the baking sheet.

If they’re crowded, the ice will not be able to evaporate well and your broccoli will turn out wet and mushy.

You can control the moisture level by roasting a bit longer, which allows for more evaporation.

What to Use to Season Roasted Broccoli?

You can customize the seasoning to be whatever you like. I seasoned my broccoli with Montreal steak seasoning (coarse ground salt, garlic, pepper, red pepper). And I think lemon pepper would be great, as would chili powder, smoked paprika, and cumin.

A roasted broccoli floret being dipped into a dish of ranch dressing

Oven Roasted Frozen Broccoli Recipe

This oven roasted frozen broccoli is the fastest, easiest side dish that can go with any meal.

Author: Beth

Prep Time: 5 mins / Cook Time: 30 mins / Total Time: 35 mins

Servings: 2 to 3 servings


  • 1/2 lb. frozen broccoli florets ($1.00)
  • 1 tbsp olive oil ($0.16)
  • 1/2 tbsp Montreal steak seasoning ($0.07)


  • Preheat the oven to 400ºF. Line a baking sheet with parchment paper. Spread the frozen florets out over the baking sheet (no need to thaw).
  • Drizzle the olive oil over the florets, then sprinkle the Montreal steak seasoning over top. Toss the florets in the oil and seasoning until everything is evenly distributed (it’s okay if a lot of it falls onto the baking sheet, it will be stirred and redistributed again later).
  • Transfer the baking sheet to the oven and roast for 20 minutes. Take the baking sheet out and use a spatula to stir the broccoli and redistribute the oil and spices. Return the baking sheet to the oven and roast for another 10 minutes, or until the broccoli develops the amount of brownness desired. Serve hot.


Serving: 1 serving ・ Calories: 89 kcal ・ Carbohydrates: 5.45 g ・ Protein: 3.2 g ・ Fat: 7.1 g ・ Sodium: 402.45 mg ・ Fiber: 3.4 g

The nutritional values shown here are only estimates. Please see our nutrition disclaimer.


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How to Roast Frozen Broccoli – Step-by-step Photos

package of frozen broccoli florets

Step 1: Make sure you buy broccoli florets for this recipe, not broccoli pieces.

Preheat the oven to 400ºF before you begin so that it’s fully up to temp before the broccoli goes in.

Seasoned broccoli florets on a baking sheet lined with parchment paper

Step 2: Line a baking sheet with parchment, then spread the frozen broccoli florets out over the baking sheet.

Drizzle with 2 tbsp olive oil and 1/2 tbsp steak seasoning. Toss the broccoli in the oil and spices to distribute them over the surface.

Roasted broccoli on the baking sheet

Step 3: Roast the broccoli in the fully preheated oven for 20 minutes, then take the baking sheet out and give the broccoli a good stir. The spices should stick to the broccoli a little better now.

Return the sheet to the oven and roast for another ten minutes, or until the edges are browned to your liking. Serve immediately.

Frozen broccoli is less expensive than fresh broccoli, and it’s already washed and chopped, which takes a lot of prep work out of your meal. Plus, frozen broccoli is blanched before it’s frozen, it’s already partially cooked, so it takes less time to roast than fresh broccoli. That’s why you can use frozen broccoli instead of fresh one.