These extra-crispy Parmesan smashed Brussels sprouts are proof that simple ingredients can create big flavors. With just four pantry staples, you get tender sprouts that are roasted until golden and caramelized, with a savory crunch from Parmesan cheese. They make the perfect side dish or snack for any occasion.
Why You’ll Love This Recipe
This recipe takes ordinary Brussels sprouts and transforms them into a crispy, cheesy, flavor-packed side dish. Steaming ensures the sprouts are tender on the inside, while roasting gives them that irresistible golden crust. Parmesan and garlic powder add richness and depth, making them so good you’ll want to eat them straight off the tray. Bonus: they’re naturally gluten-free, vegetarian, and super easy to make.

Ingredients
(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)
2 pounds Brussels sprouts, washed and trimmed
3 tablespoons olive oil
¼ cup finely grated Parmesan
1 teaspoon garlic powder
Kosher salt and ground black pepper, to season
Directions
- Preheat the oven to 425°F. Line a baking sheet with parchment paper for easy cleanup.
- Steam the Brussels sprouts: Place them in a shallow microwave-safe dish with 2–3 tablespoons of water. Cover and microwave 7–10 minutes, until fork-tender. (Alternatively, steam on the stovetop.)
- Drain and pat dry. Transfer to a large bowl. Toss with olive oil, Parmesan, garlic powder, salt, and pepper.
- Smash: Arrange on the baking sheet. Use the flat bottom of a glass or measuring cup to gently smash each sprout to about ½-inch thick.
- Roast for 15–20 minutes, flipping halfway, until deeply golden and crisp.
- Serve hot with your favorite dipping sauce or alongside your main dish.
Servings and timing
Servings: 4–6
Prep time: 15 minutes
Cook time: 20 minutes
Total time: 35 minutes
Variations
- Add a squeeze of lemon juice or zest before serving for brightness.
- Swap Parmesan for Pecorino Romano or nutritional yeast for a dairy-free option.
- Sprinkle with red pepper flakes for heat.
- Drizzle with balsamic glaze for a sweet-tangy finish.
- Toss with fresh herbs like parsley or thyme after roasting.
Storage/Reheating
Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the oven or air fryer at 375°F for 8–10 minutes to regain crispiness. Avoid microwaving, as it will make them soft.

FAQs
Do I need to steam the Brussels sprouts first?
Yes, steaming ensures the sprouts are tender inside before roasting.
Can I boil the Brussels sprouts instead of steaming?
Yes, just be sure not to overcook and drain them well before smashing.
Can I make these in the air fryer?
Absolutely—air fry at 400°F for 12–15 minutes, flipping halfway through.
What type of Parmesan works best?
Finely grated fresh Parmesan gives the best flavor and crispness.
Can I make this recipe dairy-free?
Yes, use nutritional yeast or a dairy-free Parmesan alternative.
Why aren’t my Brussels sprouts getting crispy?
Make sure they’re well-dried after steaming, and don’t overcrowd the baking sheet.
Can I prep these ahead of time?
You can steam and smash them ahead, then roast just before serving.
What dipping sauces go well with these?
Ranch, garlic aioli, or spicy sriracha mayo pair wonderfully.
Can I use frozen Brussels sprouts?
Fresh works best, but thawed and well-dried frozen sprouts can be used.
Are these kid-friendly?
Yes—many kids enjoy them because of the cheesy, crispy coating.
Conclusion
Extra-crispy Parmesan smashed Brussels sprouts are an easy, flavorful way to enjoy this nutritious vegetable. With their golden crust, tender center, and savory cheese, they’re bound to become a favorite side dish or snack. Whether served at a family dinner or holiday gathering, these sprouts always deliver big on flavor with minimal effort.
Print
Extra-Crispy Parmesan Smashed Brussels Sprouts (4 Ingredients)
- Total Time: 35 mins
- Yield: 4–6 servings
Description
Extra-crispy Parmesan smashed Brussels sprouts are the ultimate easy side dish or snack, made with just four simple ingredients. These Brussels sprouts are steamed until tender, smashed flat, and roasted to golden perfection with garlic powder and Parmesan cheese for an irresistible crunch. Naturally gluten-free, vegetarian, and packed with flavor, they’re a perfect addition to weeknight dinners, holiday spreads, or party appetizers.
Ingredients
2 pounds Brussels sprouts, washed and trimmed
3 tablespoons olive oil
¼ cup finely grated Parmesan
1 teaspoon garlic powder
Kosher salt and ground black pepper, to taste
Instructions
- Preheat the oven to 425°F. Line a baking sheet with parchment paper.
- Steam the Brussels sprouts in the microwave or stovetop until fork-tender (7–10 minutes). Drain and pat dry.
- Toss sprouts with olive oil, Parmesan, garlic powder, salt, and pepper.
- Arrange on the baking sheet and use the flat bottom of a glass to smash to ½-inch thick.
- Roast for 15–20 minutes, flipping halfway, until golden and crisp.
- Serve hot with your favorite dipping sauce or as a side dish.
Notes
- Add lemon juice or zest for brightness.
- Use Pecorino Romano or nutritional yeast for variation.
- Sprinkle with red pepper flakes for spice.
- Finish with balsamic glaze for a sweet-tangy flavor.
- Toss with fresh herbs like parsley or thyme after roasting.
- Prep Time: 15 mins
- Cook Time: 20 mins
- Category: Side Dish
- Method: Roasting
- Cuisine: American
Nutrition
- Serving Size: 1 cup
- Calories: 120
- Sugar: 2g
- Sodium: 180mg
- Fat: 8g
- Saturated Fat: 2g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 9g
- Fiber: 4g
- Protein: 5g
- Cholesterol: 5mg