Your New Favorite Side Dish: Crispy Air Fryer Brussels Sprouts with Parmesan
Hey there, friend! Chef Emily here, waving from my flour-dusted kitchen. Is there anything better than the sound of something sizzling away, promising a seriously delicious bite in just minutes? I’m convinced the air fryer was invented by a busy food lover who craved crispy perfection without the hassle of a big oven or a vat of oil. And today, we’re using that magical kitchen gadget to transform the humble, often-misunderstood Brussels sprout into a total rockstar.
We’re talking about Brussels sprouts with crispy, almost caramelized edges, tender and sweet centers, and a glorious, savory blanket of nutty Parmesan cheese. This isn’t the boiled, mushy, sad sprout of cafeteria days past. Oh no. This is a side dish that will have everyone at the table reaching for seconds (and maybe even thirds!). It’s the perfect companion to a weeknight roast chicken, a fancy holiday feast, or honestly, just eaten straight from the basket as a guilt-free snack.
I promise you, this recipe is foolproof. It requires just a handful of pantry staples, about five minutes of hands-on prep, and less than 15 minutes of cook time. So, if you’ve been on the fence about Brussels sprouts, or if you’re a longtime fan looking for the absolute easiest way to cook them, you are in the right place. Grab your apron, preheat that air fryer, and let’s make something incredibly tasty together!

A Sprout of Inspiration: From Skeptic to Superfan
I have to confess, I wasn’t always a Brussels sprout believer. My earliest memory involves pushing a pale, watery, and let’s be honest, smelly little orb around my plate at a family Thanksgiving, desperately trying to hide it under my mashed potatoes. For years, I wrote them off entirely. That is, until I visited my friend’s Italian nonna one crisp autumn evening.
Her tiny kitchen was warm and fragrant with garlic and rosemary. She pulled a sheet pan from the oven, and on it were these gorgeous, dark green, crispy-looking sprouts. They were tossed with olive oil, sea salt, and a generous shower of Parmigiano-Reggiano. The smell was nutty and inviting, nothing like the sulfurous scent I remembered. She insisted I try one. I was skeptical, but one bite was all it took. The exterior shattered like a chip, giving way to a tender, almost sweet interior. The salty, savory cheese was the perfect finishing touch. It was a total revelation! That single bite taught me a powerful lesson: it’s not the ingredient, it’s the technique. And my friends, the air fryer is the ultimate technique for achieving that perfect crisp-to-tender ratio every single time. It’s like giving each little sprout its own personal blast of hot, happy air.
Gathering Your Flavor Squad: The Ingredients
This is where the magic starts! One of the best things about this recipe is its beautiful simplicity. Each ingredient plays a key role in creating that perfect bite. Here’s what you’ll need:
- 1 lb Brussels sprouts, trimmed and halved: This is your main event! Look for bright green, firm sprouts that are similar in size for even cooking. Chef’s Insight: Don’t discard the loose outer leaves that fall off while trimming—toss them in with the halved sprouts. They become delightfully crispy, like little flavor chips!
- 2 tbsp olive oil: This is our crisp-enabler. A good coating of oil conducts the heat and helps achieve that gorgeous golden-brown color. Substitution Tip: Avocado oil works wonderfully here too due to its high smoke point.
- ½ tsp garlic powder: We use powder instead of fresh garlic for a reason! Fresh garlic can burn quickly in the high heat of the air fryer and become bitter. The powder distributes evenly and gives a gentle, all-over garlicky warmth.
- ½ tsp sea salt: Essential for enhancing all the natural flavors. I prefer flaky sea salt for finishing, but any salt will work in the mix.
- ¼ tsp black pepper: A little sharp, earthy kick to balance the richness.
- ⅓ cup grated Parmesan cheese: The cheesy, umami-packed crown! Chef’s Plea: For the love of flavor, please grate your own Parmesan from a block if you can. The pre-grated stuff often contains anti-caking agents that prevent it from melting as beautifully. The fresh stuff creates those irresistible, lacy, crispy cheese edges.
- Optional: squeeze of lemon or balsamic drizzle for serving: This is my pro-move recommendation! A hit of acid right at the end—whether from fresh lemon juice or a thick, syrupy balsamic glaze—cuts through the richness and makes the entire dish sing.
Let’s Get Cooking: Your Step-by-Step Guide to Crispy Perfection
Ready to make some kitchen magic? Follow these simple steps, and you’ll be a Brussels sprout hero in no time. I’ve packed each step with my favorite tips and hacks to ensure your success!
- Preheat your air fryer to 375°F (190°C). Just like preheating an oven, this ensures your sprouts start cooking immediately for maximum crispiness. If your model doesn’t have a preheat function, just let it run empty for 2-3 minutes.
- In a large bowl, toss the prepared Brussels sprouts with olive oil, garlic powder, salt, and pepper. Don’t be shy! Get your hands in there and massage everything together until every nook and cranny of every sprout is glistening. This is the foundation of flavor.
- Add half the grated Parmesan cheese and toss again. Why only half? Adding some cheese now means it melts and fuses to the sprouts as they cook, creating a delicious, savory crust. We save the other half for a fresh, salty finish right at the end.
- Arrange the sprouts in your air fryer basket in a single layer. This is the most important step for getting them crispy, not steamy! They need their personal space. If they’re piled on top of each other, they’ll steam instead of crisp up. Work in batches if you need to—it’s worth it! Chef’s Hack: For extra-easy cleanup, you can use a perforated parchment liner designed for air fryers.
- Air fry for 12-15 minutes, shaking the basket halfway through. Set a timer for 6 minutes. When it goes off, pull the basket and give it a really good shake or use tongs to toss the sprouts. This ensures all sides get equally crispy and happy. Keep a close eye on them in the last few minutes—all air fryers have slightly different personalities!
- Sprinkle with the remaining Parmesan right after cooking. As soon as those gorgeous, crispy sprouts come out of the basket, transfer them to a serving bowl and immediately shower them with the rest of the fresh Parmesan. The residual heat will slightly melt it, creating the perfect cheesy blanket.
- Serve immediately! Crispy air fryer Brussels sprouts are at their absolute peak straight out of the fryer. That’s when the texture is truly magical.
How to Serve Your Masterpiece
Okay, you’ve created a bowl of crispy, cheesy goodness. Now what? Here are a few of my favorite ways to serve these glorious sprouts:
The Classic Side Dish: These are the ultimate partner for so many mains! Pile them next to a perfectly roasted chicken, a juicy steak, a piece of pan-seared salmon, or even a hearty vegetarian lasagna. They add a vibrant, flavorful crunch to any plate.
The Snack Attack: Honestly, I often make a batch just for myself to snack on while I’m figuring out what to make for dinner. They’re that good. Serve them in a bowl with a squeeze of lemon and call it a day.
The Appetizer Hero: Want to impress guests? Transfer your cooked sprouts to a beautiful platter. Drizzle them generously with a balsamic glaze (that sweet-tangy syrup is a game-changer) and maybe even a few extra shavings of Parmesan. Watch them disappear in minutes!
The “Bowl” Upgrade: Turn them into a meal! Add these sprouts to a grain bowl with some quinoa, a soft-boiled egg, avocado, and a creamy tahini dressing. The textures and flavors are incredible.
Mix It Up! Delicious Recipe Variations
Once you’ve mastered the basic recipe, the fun really begins! The beauty of this dish is its versatility. Here are a few twists to keep things exciting:
- Spicy Sriracha-Honey: Whisk 1 tablespoon of sriracha and 1 tablespoon of honey into the olive oil before tossing with the sprouts. Finish with the Parmesan for a sweet, spicy, and savory situation.
- Everything Bagel Seasoning: Skip the garlic powder and salt. After tossing with oil, coat the sprouts generously with everything bagel seasoning. The sesame seeds, garlic, and onion create an unreal flavor combo.
- Lemon-Herb Delight: Add the zest of one lemon and a teaspoon of dried Italian herbs (or 1 tbsp fresh chopped rosemary or thyme) to the oil mixture. Finish with a big extra squeeze of fresh lemon juice.
- Bacon Lover’s Dream: Because bacon makes everything better. Toss in ¼ cup of chopped, cooked bacon with the sprouts for the last 2 minutes of cooking to warm it through. The smoky saltiness is a classic pairing.
- Vegan/Dairy-Free: It’s just as delicious! Simply omit the Parmesan. For a cheesy flavor, you can toss the cooked sprouts with 2 tablespoons of nutritional yeast after air frying.
Chef Emily’s Kitchen Notes
This recipe has become a non-negotiable staple in my house, and it’s evolved a bit over time. My biggest “aha!” moment was realizing that adding some of the cheese *before* cooking creates those incredible, lacy, crispy cheese bits that everyone fights over. It’s like the cheese that melts onto the pan when you’re making a grilled cheese sandwich—the best part!
I also have a funny kitchen confession: I once was so excited to make these that I completely forgot to halve the sprouts. I just tossed whole, giant sprouts in the air fryer. The result was… not ideal. The outsides were getting dark while the insides were still stubbornly raw. It was a great reminder that size and prep matter for even cooking! So, don’t be like a distracted Emily—take the extra minute to trim and halve them. Your future crispy self will thank you.
FAQs & Troubleshooting: Your Questions, Answered!
Q: My Brussels sprouts came out soft, not crispy. What did I do wrong?
A: The most common culprit is overcrowding! If the basket is too full, the sprouts will steam instead of fry. Always cook in a single layer, even if it means doing two batches. Also, make sure they are thoroughly dried after washing, and that they’re well-coated in oil.
Q: Can I make these in the oven instead?
A: Absolutely! The principle is the same. Preheat your oven to 400°F (200°C). Spread the prepared sprouts on a parchment-lined baking sheet in a single layer. Roast for 20-25 minutes, flipping halfway through, until crispy and browned.
Q: Why did my cheese burn?
A: If you used pre-grated cheese, the cellulose powder can burn more easily. This is why we add half of it *after* cooking. If you find your particular air fryer runs hot, you could also try adding all the cheese at the end.
Q: Can I prepare the sprouts ahead of time?
A: You can trim and halve the sprouts a day in advance and keep them in an airtight container in the fridge. However, I highly recommend cooking them right before serving for the best texture. They are best enjoyed fresh and hot!

Air Fryer Brussels Sprouts with Parmesan
- Total Time: 20 minutes
- Yield: 4
Description
Crispy edges, tender centers, and a savory hit of Parmesan—these air-fried Brussels sprouts are the perfect side dish or snack. No mush, no fuss—just golden perfection in minutes.
Ingredients
• 1 lb Brussels sprouts, trimmed and halved
• 2 tbsp olive oil
• ½ tsp garlic powder
• ½ tsp sea salt
• ¼ tsp black pepper
• ⅓ cup grated Parmesan cheese
• Optional: squeeze of lemon or balsamic drizzle for serving
Instructions
Preheat air fryer to 375°F (190°C).
In a bowl, toss Brussels sprouts with olive oil, garlic powder, salt, and pepper.
Add half the Parmesan and toss again to coat.
Air fry in a single layer for 12–15 minutes, shaking the basket halfway through, until crispy and golden.
Sprinkle with remaining Parmesan right after cooking.
Serve hot, with lemon or balsamic if desired.
- Prep Time: 5 minutes
- Cook Time: 15 minutes
Nutrition
- Calories: 160 / Serving
- Fat: 12g / Serving
- Carbohydrates: 8g / Serving
- Protein: 5g / Serving
Nutritional Information (Per Serving)
Let’s talk about the good stuff! This recipe is not only delicious but also packs a nutritional punch. Here’s a breakdown per serving (assuming this recipe serves 4):
Calories: 160
Fat: 12g
Carbohydrates: 8g
Fiber: 3g
Net Carbs: 5g
Protein: 5g
Brussels sprouts are a fantastic source of vitamins C and K, fiber, and antioxidants. Using the air fryer means we achieve incredible crispiness with a fraction of the oil we’d use for deep frying, making this a healthier way to satisfy those cravings for something crunchy and savory. The olive oil provides healthy fats, and the Parmesan adds a boost of calcium and protein. It’s a side dish you can feel genuinely good about eating!
Final Thoughts from My Kitchen to Yours
Well, my friend, there you have it—my absolute favorite way to make Brussels sprouts. This recipe is a testament to how a few simple ingredients and the right technique can turn an underdog veggie into the star of the show. It’s quick, it’s easy, and it never fails to deliver that satisfying crunch we all love.
I hope this recipe finds its way into your regular rotation and becomes a trusted friend for busy nights and special gatherings alike. The best part of cooking is sharing it, so if you make these, I’d love to hear about it! Tag me on social @TastyChow so I can see your beautiful, crispy creations.
Now, go forth and air fry with confidence! Until next time, happy cooking!
— Emily