Learn how to roast frozen Brussels sprouts in oven in under 30 minutes. Our method ensures that these crispy oven-roasted delights are just as tasty as their fresh counterparts, yet require only a fraction of the preparation time.
This frozen Brussels sprouts recipe offers a perfect balance of flavor and nutritional value for a delightful vegetable side dish. Whether served plain or expertly seasoned (check out our seasoning suggestions below), you’re in for a treat.
The straightforward roasting technique enables you to effortlessly prepare any vegetable. Just place them on a baking sheet, apply a light coating of cooking spray or oil, and then pop them in the oven for a brief period. Roasting not only enhances the flavor of vegetables but also gives them a delightful crunch.
For more delicious recipes with Brussels sprouts, you’ll have to try our Brussels Sprout Apple Salad, Brussels Sprouts Soup, Brussels Sprout Salad with Cranberries and Almonds and Brussels Sprouts Recipe For Kids.
Ingredients
- 10.8 ounces frozen Brussels sprouts
- salt
Gluten-Free Guide: If you’re new to eating gluten-free we understand it’s overwhelming trying to figure out which foods may contain gluten and which ones don’t. All of our gluten-free recipes marked with this symbol ✅ represent foods that need to be checked for gluten.
How To Cook Frozen Brussels Sprouts In Oven
Preheat the oven to 450°F.
Prep the Brussels sprouts
Place the Brussels sprouts onto a parchment paper lined baking sheet. Spray with nonstick cooking spray and season with salt.
Bake
Bake the Brussels sprouts for 17-20 minutes, flipping halfway through.
Recipe Variations
Pick any flavoring combination to toss on the Brussels sprouts before or after roasting to add more flavor to this vegetable side dish. Here are a few seasoning suggestions for inspiration!
- Cheese – top with cheddar, mozzarella or grated parmesan cheese
- Spices – season with salt, pepper, garlic powder, onion powder, and/or red pepper flakes
- Seasoning blends – toss with a Ranch seasoning packet
- Balsamic – toss in balsamic vinegar and honey before roasting
- Bacon – top with crumbled bacon after roasting
- Garlic – add cloves of garlic to the baking sheet while roasting
Recipe Tips and Tricks
- Choose the Right Pan: Opt for a heavy-duty baking sheet or a cast-iron skillet. These materials distribute heat evenly, promoting better roasting.
- Custom Seasoning: Don’t hesitate to experiment with seasoning beyond salt. Add a dash of garlic powder, red pepper flakes, or your favorite herbs and spices to elevate the flavor.
- Check for Doneness: Keep an eye on your Brussels sprouts during the baking process. They should be tender on the inside and have crispy, golden-brown exteriors. Adjust the cooking time as needed to achieve this balance.
- Consider Broiling: If you want even more caramelization and crispiness, you can briefly broil the Brussels sprouts for a minute or two after roasting. Keep a close eye on them to prevent burning.
- Finishing Touches: After roasting, consider adding a finishing touch like a drizzle of balsamic glaze, a sprinkle of grated Parmesan cheese, or a squeeze of lemon juice for added flavor.
- Serve Promptly: Roasted Brussels sprouts are at their best when served immediately. They can lose their crispiness if left to sit for too long.
Frequently Asked Questions
You can freeze fresh Brussels sprouts by blanching in water for 2-3 minutes then placing in an ice bath before freezing for up to 6 months in a Ziploc bag or container.
Yup, there is no need to slice the Brussels in half to roast.
Not necessarily, the parchment paper does make for an easy clean-up. If opting not to use, spray the pan with nonstick cooking spray before adding the vegetables.
There is no need to thaw the Brussels sprouts before baking. You can cook them frozen.
Storage & Reheating Instructions
Keep the bag of Brussels sprouts completely frozen prior to using by storing in the freezer. After roasting, store leftovers in the fridge for up to 3 days then reheat in the microwave or in the oven until hot.
We do not recommend refreezing leftovers as the Brussels sprouts do not hold up well when thawed.
Kids In The Kitchen
Cooking tips and suggestions for kids making this recipe.
- Prep the recipe with frozen Brussels sprouts – do not thaw first
- Spraying with cooking spray will help to crisp the vegetables without making them soggy
- Don’t forget to set a timer as soon as you place the Brussels sprouts in the oven
How To Roast Frozen Vegetables
- Roasted Frozen Vegetables
- Roasted Frozen Cauliflower
- How To Freeze Butternut Squash
- Oven Roasted Zucchini
- Roasted Frozen Broccoli
CKC Features both Gluten-Free Guidance and Kids Cooking Instructions: If you’re new to eating gluten-free we understand it’s overwhelming trying to figure out which foods may contain gluten and which ones don’t. All of our gluten-free recipes marked with this symbol ✅ represent foods that need to be checked for gluten or cross-contamination.
The ⭐️ symbol in the recipe below denotes the steps in which kid cooks may need a helper (depending on age). If there is no ⭐️ symbol, that step (or recipe) doesn’t require a helper.
Frozen Brussels Sprouts in Oven Recipe
Equipment
- baking pan with parchment paper
Ingredients
- 10.8 ounces frozen Brussels sprouts
- salt
Instructions
- Preheat the oven. Preheat the oven to 450°F.
- Prep the Brussels sprouts. Place the Brussels sprouts onto a parchment paper lined baking sheet. Spray with nonstick cooking spray and season with salt.10.8 ounces frozen Brussels sprouts, salt
- ⭐️Bake. Bake the Brussels sprouts for 17-20 minutes, flipping halfway through.
Notes
Recipe Variations
- Cheese – top with cheddar, mozzarella or parmesan cheese
- Spices – season with salt, pepper, garlic powder, onion powder, and/or red pepper flakes
- Seasoning blends – toss roasted Brussels sprouts with a Ranch seasoning packet
- Balsamic – toss in balsamic vinegar and honey before roasting
- Bacon – top with crumbled bacon after roasting
- Garlic – add cloves of garlic to the baking sheet while roasting
Nutrition
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