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Parmesan Roasted Frozen Broccoli Recipe

Laura Ambrouse
Roasted broccoli with Parmesan and golden panko breadcrumbs
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Plain frozen broccoli roasted on a roomy sheet pan and finished with a golden Parmesan-panko topping.
Estimated Recipe CostAbout US$2.40 per batch (ingredient portions only; US grocery estimate, October 2026; prices vary; excludes tax, delivery, water, energy and optional extras)
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings: 4 servings
Course: Side Dish
Cuisine: American
Calories: 122

Ingredients
  

Broccoli
  • 1 pound plain frozen broccoli florets 454 g, suitable for oven cooking
  • 1 tablespoon olive oil 13.5 g
  • 1/2 teaspoon garlic powder 1.5 g
  • 1/4 teaspoon black pepper 0.5 g
Topping
  • 1/3 cup plain panko breadcrumbs 20 g
  • 1/3 cup Parmesan cheese finely grated, 30 g
  • 1 teaspoon olive oil 4.5 g

Equipment

  • 1 large rimmed baking sheet
  • 1 small bowl
  • 1 Spatula
  • 1 Food thermometer

Instructions
 

Method
  1. Check the broccoli package and follow its cooking and safe-doneness instructions. For plain florets suitable for this oven method, heat the oven to 425°F (220°C). Spread the frozen broccoli on a large rimmed baking sheet without crowding.
  2. Toss the broccoli with 1 tablespoon olive oil, garlic powder and pepper. Roast for about 15 to 20 minutes, turning once, until hot and the surface is less wet; adjust timing to the package and floret size.
  3. Meanwhile mix panko, Parmesan and the remaining teaspoon oil in a small bowl.
  4. Turn the broccoli and sprinkle the topping evenly over it. Roast for approximately 8 to 10 minutes more, until the topping is golden and the broccoli is tender and reaches the package’s required doneness, at least 165°F (74°C). If crumbs brown early, loosely shield them and continue cooking.
  5. Serve promptly. If the package specifies a non-oven method only, cook the broccoli as directed and toast the topping separately in a skillet over medium-low heat, stirring until golden, then sprinkle it on.

Nutrition

Serving: 1 serving (1/4 batch)Calories: 122kcalCarbohydrates: 10.7gProtein: 6.9gFat: 6.8gSaturated Fat: 1.8gCholesterol: 5mgSodium: 114mgSugar: 2g

Notes

Timing varies with the frozen product, floret size and pan. Package directions take priority. Nutrition estimates one-quarter of the batch, including all topping, with no additional salt. Contains milk and wheat unless appropriate alternatives are used. Refrigerate leftovers promptly, use within three to four days and reheat to 165°F (74°C). Estimate uses USDA frozen broccoli and other ingredients plus Kikkoman panko’s label for 20 g. Fiber is omitted because the panko label gives a less-than value; cooking-sensitive micronutrients and incomplete trans-fat data are not estimated.

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