One Pan Garlic Parmesan Chicken & Brussels Sprouts

You want dinner that tastes like effort without actually making any? Same. This One Pan Garlic Parmesan Chicken & Brussels Sprouts nails it: crispy-edged sprouts, juicy chicken, and a buttery, garlicky Parmesan blanket over everything. Minimal mess, huge flavor, and you’ll have it on the table before your streaming service asks, “Still watching?”

Why This One-Pan Wonder Works

Forget juggling burners and babysitting pans. This recipe builds flavor in layers on one sheet pan, which means dinner practically cooks itself while your kitchen stays clean-ish. Brussels sprouts get caramelized and sweet, chicken turns golden and juicy, and the garlic-Parmesan combo ties it all together. FYI: the crispy bits stuck to the pan? Culinary treasure.

Choose Your Chicken Like A Pro

You can use breasts or thighs, but they don’t cook the same. Want max juiciness? Go with boneless, skinless thighs. Prefer lean and sliceable? Chicken breasts work great—just even them out for consistent cooking.

Quick Prep Tips

• Even thickness: Pound chicken to about 3/4-inch so it cooks evenly.
• Dry it well: Pat chicken and sprouts dry so they brown, not steam.
• Don’t crowd the pan: Give everything room and you’ll get crisp, not sog.

The Brussels Sprouts Glow-Up

Hate soggy sprouts? Same, tbh. Halve them, toss with oil, salt liberally, and roast cut-side down for max caramelization. They’ll turn crunchy on the edges and sweet in the middle—basically veggie candy, IMO.

Add-Ins That Slap

• Red pepper flakes for heat
• Lemon zest for brightness
• Smoked paprika for a cozy, roasty vibe
• Panko sprinkled in the last 5 minutes for extra crunch

Ingredients

For The Chicken & Sprouts

• 1.5 pounds boneless, skinless chicken thighs or breasts (about 4 pieces)
• 1 pound Brussels sprouts, trimmed and halved
• 3 tablespoons olive oil, divided
• 1 teaspoon kosher salt, plus more to taste
• 1/2 teaspoon black pepper
• 1 teaspoon smoked paprika (optional but awesome)

Garlic Parmesan Butter

• 3 tablespoons unsalted butter, melted
• 4 cloves garlic, finely minced or grated
• 1/2 cup freshly grated Parmesan cheese
• 1 teaspoon Italian seasoning
• 1/2 teaspoon red pepper flakes (optional)
• Zest of 1/2 lemon, plus lemon wedges for serving
• 2 tablespoons chopped fresh parsley (or 1 teaspoon dried)

Instructions

1. Heat oven to 425°F (220°C). Line a large rimmed sheet pan with parchment for easy cleanup.
2. Toss sprouts with 2 tablespoons olive oil, 1/2 teaspoon salt, and a few grinds of pepper. Arrange cut-side down on half the pan.
3. Pat chicken dry. Rub with 1 tablespoon olive oil, 1/2 teaspoon salt, pepper, and smoked paprika. Place on the other half of the pan.
4. Roast 15 minutes. Meanwhile, mix melted butter, garlic, Parmesan, Italian seasoning, red pepper flakes, lemon zest, and parsley.
5. Remove pan, flip sprouts, and spoon half the garlic-Parmesan butter over the chicken. Drizzle the rest over sprouts. Spread to coat.
6. Roast 8–12 more minutes, until chicken hits 165°F internal and sprouts are browned and tender.
7. Rest chicken 5 minutes. Squeeze lemon over everything, taste, and adjust salt. Serve hot with extra Parmesan if you like chaos.

Timing & Texture: Nail The Roast

You want high heat for color without drying out the meat. Most ovens hit the sweet spot at 425°F. Breasts cook faster than thighs, so start checking at 20 minutes total. If you crave extreme crisp on sprouts, slide the pan under the broiler for 1–2 minutes at the end—watch like a hawk.

Make-Ahead & Reheating

• Meal prep: Season chicken and trim sprouts up to 24 hours ahead.
• Reheat: 375°F for 8–10 minutes on a sheet pan to revive crisp edges.
• Microwave: Works, but you’ll lose crunch. Add a squeeze of lemon to wake it up.

Variations You’ll Actually Use

• Buffalo-Parmesan: Swap Italian seasoning for 1 tablespoon hot sauce in the butter.
• Herb garden: Add chopped fresh thyme and rosemary to the butter.
• Low-carb keto flex: It’s already low-carb. Use extra butter and Parmesan for more richness.
• Veggie swap: Sub broccoli or asparagus for half the sprouts. Add asparagus only in the last 10 minutes.
• Bone-in thighs: Start them 10 minutes earlier, then add sprouts and proceed.

Nutritional Facts (Per Serving, 4 Servings)

• Calories: ~430
• Protein: ~36g
• Carbs: ~12g
• Fiber: ~5g
• Fat: ~27g
• Saturated Fat: ~9g
• Sodium: ~720mg (varies by cheese and salt)

Note: Numbers are estimates, not a legally binding contract with your macros.

Serving Ideas That Upgrade The Plate

Want it saucy? Spoon pan juices over everything. Add a quick side of lemony couscous, garlic mashed cauliflower, or crusty bread to mop things up. A crisp green salad with a mustardy vinaigrette balances all that buttery goodness, FYI.

FAQ

Can I use frozen Brussels sprouts?

You can, but thaw and pat them dry first. They’ll still taste good, but fresh sprouts brown better and stay firmer.

How do I avoid dry chicken breasts?

Pound them to an even thickness, don’t overcook, and rest them for 5 minutes. A quick thermometer check at 20 minutes saves dinner and your mood.

Is pre-grated Parmesan okay?

If you must, sure—but freshly grated melts smoother and tastes nuttier. Pre-grated often has anti-caking agents that dull flavor and texture.

What if my sprouts won’t brown?

They probably need more space, more heat, or to be drier. Spread them out, crank to 425°F, and make sure they’re well-oiled and cut-side down.

Can I make this dairy-free?

Yep. Use olive oil or vegan butter and swap Parmesan for a dairy-free “parm” or nutritional yeast. Flavor stays bold and garlicky.

How spicy is this?

Mild as written. Add more red pepper flakes or a dash of hot sauce if you like drama.

Conclusion

One pan, big flavor, and almost no cleanup—this Garlic Parmesan Chicken & Brussels Sprouts pulls weeknight hero duty without breaking a sweat. Make it once and it’ll hit your rotation on repeat. Now go preheat that oven and pretend you didn’t just win dinner with barely any effort.