Crispy Parmesan-Crusted Roasted Brussels Sprouts

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I’ve always believed that Brussels sprouts are one of the most underrated vegetables. As a kid, I avoided them like the plague, but everything changed when I tried them roasted—especially with a crispy parmesan crust. The bitterness mellows out, the edges get beautifully golden, and that cheesy crust? Completely irresistible.

This Crispy Parmesan-Crusted Roasted Brussels Sprouts recipe has become one of my favorite side dishes to whip up. It’s quick, full of bold savory flavor, and turns a simple veggie into something that feels restaurant-worthy. Whether I’m cooking for guests or just treating myself to a better-than-average weekday dinner, this dish never fails to impress.

Why You’ll Love This Crispy Parmesan-Crusted Roasted Brussels Sprouts Recipe

You’ll love this recipe because it transforms basic Brussels sprouts into a crispy, cheesy delight. The parmesan creates a crunchy golden coating while enhancing the natural nuttiness of the sprouts. It’s an easy dish that requires minimal ingredients and delivers maximum flavor. Plus, it’s naturally low-carb and gluten-free.

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What Kind of Parmesan Should I Use?

For the best texture and flavor, I recommend using freshly grated parmesan cheese, not the pre-shredded or powdered kind. The fresh version melts better and gives you that lacy, crispy crust. If you have access to Parmigiano-Reggiano, even better—it’s richer and more flavorful.

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Options for Substitutions

If you’re dairy-free, try using a plant-based parmesan alternative or nutritional yeast for a cheesy flavor without the cheese. For an extra kick, sprinkle in some garlic powder or smoked paprika. You can also toss in some crushed red pepper flakes if you’re after a bit of heat. And if Brussels sprouts aren’t your favorite, this recipe works beautifully with halved baby potatoes or cauliflower florets.

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Ingredients for this Crispy Parmesan-Crusted Roasted Brussels Sprouts Recipe

Brussels Sprouts – The star of the dish. Choose firm, bright green sprouts. When roasted, they develop a tender center and crispy edges that pair perfectly with the parmesan.

Parmesan Cheese – Freshly grated parmesan forms a golden, savory crust. It melts and crisps up in the oven, creating irresistible bites.

Olive Oil – Helps the sprouts roast evenly and adds richness. It also helps the parmesan adhere.

Salt & Pepper – Basic seasonings that bring out the natural flavors of the sprouts.

Garlic Powder (optional) – Adds a subtle depth and savory note to the mix.

Panko Breadcrumbs (optional) – For extra crunch, especially if you want a breaded texture.

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Step 1: Prep the Brussels Sprouts

Rinse the Brussels sprouts and pat them dry. Trim the ends and slice each one in half lengthwise. Removing any yellow or wilted outer leaves will help ensure a more uniform texture when roasting.

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Step 2: Preheat and Prep the Baking Sheet

Preheat your oven to 400°F (200°C). Line a baking sheet with parchment paper or foil. Lightly grease the surface with a little olive oil to prevent sticking and encourage even browning.

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Step 3: Toss Everything Together

In a large bowl, toss the halved Brussels sprouts with olive oil, salt, pepper, and garlic powder if using. Then add the grated parmesan (and breadcrumbs if desired), stirring until each sprout is evenly coated.

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Step 4: Arrange for Maximum Crispiness

Place the Brussels sprouts cut side down in a single layer on the prepared baking sheet. This helps the cut sides caramelize and get ultra crispy. Press them gently to ensure contact with the sheet.

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Step 5: Roast to Perfection

Roast for 20–25 minutes, flipping them over halfway through if you want even browning on both sides. They’re done when they’re golden brown and crispy on the edges.

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Step 6: Serve and Savor

Remove from the oven and let them cool for a minute or two. Optionally, sprinkle with extra parmesan or a squeeze of lemon juice before serving to brighten the flavor.

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How Long to Prepare the Crispy Parmesan-Crusted Roasted Brussels Sprouts

Prep Time: Most of the work happens in the preparation, but it’s straightforward. Washing, trimming, and halving the Brussels sprouts takes about 10–15 minutes. While you’re prepping, you can also preheat the oven and get your baking sheet ready.

Roasting Time: Once in the oven, the Brussels sprouts need about 20–25 minutes to get golden and crisp. Keep an eye on them around the 20-minute mark to avoid over-browning. Altogether, you’re looking at a total time of around 35–40 minutes from start to finish.

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Tips for Perfect Crispy Parmesan-Crusted Roasted Brussels Sprouts

• Use fresh, firm Brussels sprouts for the best texture and flavor.
• Don’t overcrowd the pan. Give each sprout room to roast rather than steam.
• Place sprouts cut-side down to maximize that caramelized, crispy surface.
• Use freshly grated parmesan—it melts and browns much better than pre-packaged versions.
• Let them cool slightly before serving, which helps them crisp up even more.

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Watch Out for These Mistakes While Cooking

• Skipping the drying step: Wet sprouts won’t crisp. Always pat them dry thoroughly.
• Using too much oil: It can make the sprouts soggy instead of crispy.
• Overcooking: They can turn bitter if left in too long. Check at the 20-minute mark.
• Stacking them on the baking sheet: Crowding leads to steaming.
• Not using parchment paper or greasing the tray: This can cause sticking and burnt cheese.

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What to Serve With Crispy Parmesan-Crusted Roasted Brussels Sprouts?

1. Grilled Chicken Breast

A lean protein with light seasoning pairs beautifully with the bold, cheesy flavor of the sprouts.

2. Garlic Butter Steak

The rich umami of a seared steak complements the nutty roasted Brussels sprouts.

3. Lemon Herb Salmon

The bright, fresh notes of lemon and herbs balance the savory sprouts.

4. Creamy Risotto

The creamy texture and mild flavor of risotto offset the crispy vegetables perfectly.

5. Roasted Sweet Potatoes

For a vegetarian combo, pair with roasted sweet potatoes for a sweet-and-savory plate.

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Storage Instructions

Refrigerator: Store leftovers in an airtight container in the fridge for up to 3 days. They’ll lose a bit of their crispness but can be revived.

Reheating: The best method is to reheat them in the oven or air fryer at 375°F (190°C) for 5–7 minutes to get some of the crisp back. Avoid microwaving—they’ll turn soft.

Freezing: Not recommended. The texture degrades significantly upon thawing and reheating.

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Estimated Nutrition

(Per serving, approx. 1 cup)

• Calories: 170
• Protein: 7g
• Carbohydrates: 11g
• Fiber: 4g
• Fat: 11g
• Saturated Fat: 3g
• Cholesterol: 10mg
• Sodium: 270mg
• Sugar: 2g

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Frequently Asked Questions

What makes Brussels sprouts crispy when roasted?

Roasting at a high temperature with a bit of oil and placing them cut-side down helps them brown and crisp beautifully.

Can I make this recipe in an air fryer?

Yes! Cook at 375°F (190°C) for about 12–15 minutes, shaking halfway through.

Can I use frozen Brussels sprouts?

Fresh is best for crispiness, but if you use frozen, thaw and dry them thoroughly before roasting.

What can I use instead of parmesan?

Try grated Pecorino Romano, nutritional yeast for a dairy-free version, or your favorite hard cheese.

Are these good for meal prep?

Yes, but for the best texture, reheat in the oven or air fryer. They make a great add-in for grain bowls and salads.

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Conclusion

These Crispy Parmesan-Crusted Roasted Brussels Sprouts are the ultimate way to enjoy this often misunderstood veggie. With their nutty flavor, golden crust, and satisfying texture, they’re far from boring. Easy to make, endlessly customizable, and always a hit—this is a side dish you’ll turn to again and again.

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