Sheet Pan Garlic & Gruyère Chicken with Brussels Sprouts

If you’re looking for a one-pan meal that delivers both comfort and bold flavor, this garlic and Gruyère chicken with Brussels sprouts is a standout. Tender, juicy chicken is coated in a rich garlic butter sauce, roasted alongside caramelized Brussels sprouts, and finished with melty Gruyère cheese. The result is a perfect balance of savory, slightly nutty, and deeply satisfying flavors. Best of all, it’s all made on a single sheet pan, making cleanup easy and weeknight cooking stress-free.

Prep Time: 15 minutes
Cook Time: 25–30 minutes
Total Time: About 40–45 minutes
Servings: 4

Ingredients

Main Ingredients

1 lb boneless, skinless chicken breasts, cut into bite-sized pieces

1 lb Brussels sprouts, trimmed and halved

1.5 cups shredded Gruyère cheese

Optional: 2 tablespoons grated Parmesan cheese

Garlic Butter & Seasoning

4 tablespoons butter, melted

2 tablespoons olive oil

3–4 cloves garlic, minced

1 teaspoon Italian seasoning (or dried thyme)

½ teaspoon salt (or to taste)

¼ teaspoon cracked black pepper

Optional Garnish

1 tablespoon fresh parsley, chopped

Instructions

Preheat your oven to 400°F (200°C). Line a large sheet pan with parchment paper or lightly grease it.

In a large bowl, combine the melted butter, olive oil, minced garlic, Italian seasoning, salt, and black pepper. Mix well to create a flavorful garlic butter sauce.

Add the chicken pieces and Brussels sprouts to the bowl. Toss everything thoroughly so the chicken and vegetables are evenly coated in the garlic butter mixture.

Spread the mixture onto the prepared sheet pan in a single layer. Make sure the Brussels sprouts are cut-side down for better caramelization.

Roast in the oven for 20–25 minutes, stirring halfway through, until the chicken is cooked through and the Brussels sprouts are tender and slightly crispy on the edges.

Remove the pan from the oven and sprinkle the shredded Gruyère cheese evenly over the chicken and vegetables. Add Parmesan if using.

Return the pan to the oven and bake for an additional 5 minutes, or until the cheese is melted and bubbly.

For a golden finish, broil for 1–2 minutes at the end, keeping a close eye to avoid burning.

Remove from the oven and let it rest for a few minutes.

Garnish with fresh parsley and serve warm.

Tips

Cut chicken into even pieces for uniform cooking.

Place Brussels sprouts cut-side down for better browning.

Do not overcrowd the pan to allow proper roasting.

Use fresh garlic for the best flavor.

Add cheese at the end to prevent overcooking.

Broil briefly for a golden cheesy crust.

Use high-quality Gruyère for a richer taste.

Pat chicken dry before mixing for better coating.

Stir halfway through cooking for even roasting.

Serve immediately for best texture and flavor.

Variations

Swap chicken breasts with thighs for juicier results.

Add potatoes or carrots for a heartier meal.

Use cheddar or mozzarella if Gruyère is unavailable.

Add red pepper flakes for a spicy kick.

Include mushrooms or bell peppers for extra veggies.

Use lemon zest or juice for a fresh citrus touch.

Add bacon bits for a smoky flavor.

Make it low-carb by adding more vegetables and skipping potatoes.

Use dairy-free cheese and butter alternatives for a lighter version.

Turn leftovers into a pasta or rice bowl.

FAQs

Can I make this ahead of time?
You can prep ingredients in advance, but it’s best baked fresh.

How do I store leftovers?
Store in an airtight container in the fridge for up to 3 days.

Can I freeze this dish?
Yes, but the texture of Brussels sprouts may soften after reheating.

What can I serve with this?
It pairs well with rice, pasta, or crusty bread.

Can I use frozen Brussels sprouts?
Yes, but fresh ones roast better and get crispier.

Why are my Brussels sprouts not crispy?
They may be overcrowded or need higher heat.

Can I use pre-shredded cheese?
Yes, but freshly shredded melts better.

Is Gruyère necessary?
No, but it adds a unique nutty flavor.

Can I cook this in an air fryer?
Yes, in batches at 375°F (190°C) for about 15–18 minutes.

How do I reheat leftovers?
Reheat in the oven for best texture or microwave if needed.

Nutrition

(Approximate per serving)

Calories: 420–500 kcal
Protein: 35–40g
Carbohydrates: 10–15g
Fat: 25–30g
Fiber: 3–5g

Conclusion

Sheet pan garlic and Gruyère chicken with Brussels sprouts is a perfect example of how simple ingredients can come together to create a rich and satisfying meal. With juicy chicken, caramelized vegetables, and melted cheese, every bite is full of flavor and comfort. Easy to prepare and even easier to clean up, this dish is a reliable go-to for busy nights or whenever you want something hearty and delicious without extra effort.