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Roasted Frozen Brussels Sprouts

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Amelia MapstoneBy Amelia Mapstone
Amelia Mapstone
Amelia Mapstone Food Writer

Amelia is a Christian author who helps people communicate clearly, creatively, and compassionately. When she's not writing, you'll find her experimenting in the kitchen, meditating, or dancing bare…

Expertise: Healthy Food & Alternative Diets View all posts →
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Enjoy these easy and savory Brussels sprouts roasted to golden brown perfection.

Roasted frozen Brussels sprouts in a bowl, seasoned with salt and pepper.

I’m a big fan of Brussels sprouts and the magical myriad of ways to prepare them. But by far the easiest method is to get them frozen so that they’re already washed and ready to go. With one round of roasting for removing moisture and another round of roasting for crisping them up, roasted frozen Brussels sprouts are a delightful side dish to nearly any kind of main. I’ve tasted them on top of rice and quinoa for a vibrant vegetarian meal, and I’ve also enjoyed them alongside steak and potatoes. However you choose to serve them, roasted frozen Brussels sprouts are a veggie-lover’s dream come true.

Sprinkled with a simple blend of olive oil, salt, and pepper, these Brussels are savory and tender, plus a bit crispy on the outside. My grandma likes to cook them slightly longer than the recipe calls for so that they get even crispier. Slightly charred, they taste a little smoky as well, which she and I have enjoyed as a pairing to honey-baked salmon. You can’t go wrong with roasted frozen Brussels sprouts. They’re just so easy to make and enjoy!

Ingredients for roasted frozen Brussels sprouts: frozen Brussels sprouts, olive oil, kosher salt, and ground black pepper.

How to amplify the flavor

When my grandma and I were living together, we made roasted Brussels sprouts at least once a week. To keep our taste buds tingling, we would use a different blend of seasonings each time. One of our favorites was a splash of balsamic vinegar with a teaspoon each of garlic powder and Italian seasoning. But we’ve also done half a teaspoon of red pepper flakes with a garnish of freshly grated Parmesan cheese. A great thing about Brussels sprouts is that they go well with all kinds of flavors, from savory to spicy, or even a little tangy.

A plate of roasted frozen Brussels sprouts, seasoned with coarse salt and black pepper.

How do I store leftovers?

Make sure your leftovers are at room temperature before transferring them to an airtight container. Refrigerate your roasted Brussels sprouts for 3-4 days and then reheat them in the oven at 300°F for about 10 minutes. Since they were already frozen before you cooked them, it’s best not to freeze them again.

Roasted frozen Brussels sprouts in a bowl, garnished with a lemon wedge and sprinkled with salt.

Similar recipes to try

Craving these little balls of leafy green goodness but want to experience them fresh? Craft a Shaved Brussels Sprouts Salad, which goes great with dinner, lunch, or even brunch. For a nice, sweet and smoky taste, try Shaved Brussels Sprouts With Bacon And Brown Sugar. And then there’s my personal favorite, which makes my mouth water just thinking about it—Balsamic Brussels Sprouts, which have the perfect blend of garlic and tanginess.

Roasted frozen Brussels sprouts in a bowl, garnished with a lemon wedge.
Roasted frozen Brussels sprouts in a bowl, seasoned with salt and pepper.

Roasted Frozen Brussels Sprouts

Amelia MapstoneAmelia Mapstone
Crisp up perfectly tender-crisp Roasted Frozen Brussels Sprouts with this easy vegan & gluten-free recipe. A simple, savory side dish!
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Prep Time 5 minutes mins
Cook Time 30 minutes mins
Total Time 35 minutes mins
Course Side Dish
Cuisine American
Servings 4
Calories 111 kcal

Ingredients
  

  • 1 pound frozen Brussels sprouts no need to thaw
  • 2 tablespoons extra-virgin olive oil
  • 1/2 teaspoon kosher salt
  • 1/2 teaspoon ground black pepper

Instructions
 

  • Preheat your oven to 450°F. Line a baking sheet with parchment paper.
    Lining a baking sheet with parchment paper for roasted frozen Brussels sprouts.
  • Spread the frozen Brussels sprouts in a single layer on the baking sheet. Roast in the oven for 15 minutes.
    Spreading frozen Brussels sprouts in a single layer on a baking sheet for roasting.
  • Remove the sheet from the oven. Drizzle the sprouts with olive oil, then sprinkle with kosher salt and ground black pepper. Toss to evenly coat.
    Roasted frozen Brussels sprouts on parchment paper.
  • Return the sheet to the oven and roast for an additional 10 to 15 minutes, or until the sprouts are browned and tender.
    Roasted frozen Brussels sprouts on a baking sheet.

Nutrition

Calories: 111kcalCarbohydrates: 10gProtein: 4gFat: 7gSaturated Fat: 1gSodium: 319mgFiber: 4g
Keyword Roasted Frozen Brussels Sprouts
Tried this recipe?Let us know how it was!
Amelia Mapstone

About Amelia MapstoneHealthy Food & Alternative Diets

Amelia is a Christian author who helps people communicate clearly, creatively, and compassionately. When she's not writing, you'll find her experimenting in the kitchen, meditating, or dancing barefoot outside.

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Published: Oct 29, 2025 | Updated: Nov 3, 2025

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