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Crispy smashed Brussels sprouts have this fun, snacky energy that makes them vanish from the sheet pan almost instantly. They feel a little indulgent without being heavy, which is why they’ve earned a regular spot in my dinner rotation.
The method is wonderfully simple and quick, which makes these easy to pull off even on a busy night. Steam them just enough to soften, smash them into imperfect little discs, and let the oven handle the rest. Those rough edges are what turn extra crisp, and you’ll know they’re on the right track when they start to look lightly frizzled around the sides.
If you’re already a Brussels sprouts fan, I’ve got a few other favorites you might love too, like my Roasted Brussels Sprouts with Balsamic, Brussels Sprouts Au Gratin with Bacon, and Roasted Brussels Sprouts and Carrots.
A Few Things to Know First
- Steam, don’t boil. Steaming softens the sprouts just enough to smash without adding excess water, which is key for getting them crisp instead of soggy.
- Drying is the real secret. The more moisture you remove before roasting, the crispier the edges get. A quick pat with paper towels makes a huge difference.
- Sprout size affects everything. Smaller to medium sprouts flatten cleanly and crisp evenly. If yours are big, slice them in half so they cook at the same pace as the smaller ones.
- Parmesan adds instant flavor. It melts into a salty, crispy layer with almost no effort. Pecorino Romano works too if you want something sharper.
- The hot oven does the heavy lifting. It’s what gives you those deep golden edges without drying out the centers.
- This recipe moves fast. Once the sprouts are steamed, you’re only about 15 minutes away from crispy, deeply browned edges.
Ingredients You’ll Need
Brussels sprouts: Choose smaller to medium sprouts when possible. They soften quickly during steaming and flatten easily without falling apart.
Olive or avocado oil: A light drizzle helps the sprouts crisp instead of drying out.
Garlic: Fresh minced garlic gives the sprouts a punchy, savory flavor. If you prefer something milder, use garlic powder instead.
Salt and black pepper: The combination seasons the sprouts from the start and helps create a savory crust as they roast.
Parmesan cheese: Freshly grated Parmesan melts into a golden, lacy layer over the sprouts. Pre-grated works too but may not melt as evenly.
Aioli: A simple lemon garlic aioli perks up the sprouts and keeps you reaching for just one more dip.
How to Make Them
- Steam the Brussels sprouts. Microwave the sprouts with a splash of water until they are just tender. You want them soft enough to smash but not falling apart. If a fork slides in with slight resistance, they are ready.
- Smash them. Transfer the warm sprouts to a lined baking sheet. Press each one gently with the bottom of a measuring cup or mug. They should flatten without breaking apart. Pat them dry with a paper towel to remove excess moisture.
- Season and roast. Drizzle with olive oil, then scatter the garlic, salt, and pepper over the top. Roast until the edges turn golden and the surface looks craggier and more textured. That’s your cue that crispiness is setting in.
- Add the Parmesan. Sprinkle the cheese over the sprouts and return the tray to the oven for a few minutes. The cheese will melt and create a savory crust.
- Serve with aioli. The aioli comes together quickly in one bowl and is perfect for dipping.
Expert Tips and Variations
- Flip for extra crisp. Turning each sprout halfway through roasting gives both sides a chance to brown and crisp up.
- Add a little heat. Smoked paprika or crushed red pepper brings a warm kick without overpowering the sprouts.
- Everything bagel seasoning works magic. Sprinkle it over the top before roasting for a toasty, savory crunch.
- Finish with lemon zest. A little zest after roasting brightens everything and balances the richness.
- If they’re turning out soggy, troubleshoot moisture. They may have needed more drying before roasting. You can also bake them a little longer to help the edges crisp up.
- Try a sharper cheese. Swap Parmesan for Pecorino Romano if you want a saltier, bolder finish.
- Add a sweet tangy drizzle. A little balsamic glaze over the top right before serving adds depth and contrast.
Storage, Freezing and Reheating
Refrigerate: Store leftovers in an airtight container for up to 3 days. They stay crisp surprisingly well.
Freeze: Freezing is possible, though the sprouts soften slightly after thawing. Freeze on a sheet tray, then transfer to a bag.
Reheat: The oven or air fryer works best. Heat at 400 degrees for a few minutes until hot and crisp.
FAQs
Crispiness comes down to dryness, spacing, and heat. Pat the sprouts dry after steaming, avoid overcrowding the pan, and make sure your oven is nice and hot. Flipping them halfway through helps both sides brown evenly.
They’re not ideal. Frozen sprouts hold more water and tend to soften instead of crisping. If frozen is your only option, thaw them fully and dry them really well, but expect a softer result.
Steaming is the best option because it softens the sprouts without adding extra water. Boiling can make them waterlogged, which keeps them from crisping and makes them harder to smash cleanly.
Aim for flattened but not completely squashed. You want them pressed enough to create craggy edges that crisp up, but not so thin that they fall apart.
Yes. Air fry them at 390–400 degrees until the edges turn crispy and golden. Work in batches so they have room to crisp, and check them early since air fryers cook fast.
More Recipes You Might Like
Looking for more easy vegetable sides to round out dinner? Here are a few favorites that fit right in.
- Roasted Zucchini and Squash
- Crispy Roasted Broccoli and Cauliflower
- Smashed Fingerling Potatoes
- Italian Roasted Vegetables
- Roasted Carrots and Cauliflower
Made this Crispy Smashed Brussels Sprouts recipe? Leave a review and let me know how it turned out.
Crispy Smashed Brussels Sprouts
Ingredients
- 2 lbs fresh Brussels sprouts, trimmed
- ¼ cup water
- 2 tablespoons olive oil
- 1 ½ teaspoons garlic, minced
- 1 teaspoon kosher salt
- ¼ teaspoon black pepper
- ⅓ cup Parmesan cheese, freshly shredded or grated
Easy Aioli
- ½ cup mayonnaise
- 1 ½ tablespoons lemon juice
- 1 teaspoon garlic, minced
- ½ teaspoon salt
- ¼ teaspoon ground black pepper
Instructions
- Preheat the oven to 425F. Line a baking sheet with parchment paper and set it aside.
- Place the Brussels sprouts in a large microwavable bowl and add water. Cover tightly with plastic wrap, and microwave on HIGH until just tender, 6 to 8 minutes. Remove plastic wrap and drain.
- Place the sprouts on the prepared baking sheet. Using the flat bottom of a measuring cup or mug, smash each Brussels sprout, and pat dry with paper towels.
- Drizzle the sprouts with extra-virgin olive oil, then scatter the minced garlic, kosher salt, and black pepper, tossing to coat. Bake for 15 minutes.
- Remove from the oven, sprinkle with grated Parmesan cheese, then bake for an additional 4-5 minutes. Serve with aioli.
Easy Aioli
- Mix mayonnaise, garlic, lemon juice, salt, and pepper in a bowl until well combined.
Notes
- Dry the sprouts well after smashing for the crispiest results.
- For extra flavor, add a dash of smoked paprika or lemon zest.
- Store leftovers in the fridge and reheat in the oven until crisp.
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
