Crispy Parmesan Sheet Pan Mozzarella Chicken

Golden chicken, roasted potatoes, and colorful veggies under a blanket of melty mozzarella, all on one pan.

Sheet pan dinners are the answer on those nights when you want a real, balanced meal without a sink full of dishes. This version coats bite-sized chicken and vegetables in a crispy Parmesan and breadcrumb mixture, then finishes everything with melted mozzarella. It’s cozy, cheesy, and easy enough for a weeknight.

The one trick that makes this recipe work: potatoes take longer to cook than chicken, so they get a head start in the oven. That way everything comes out tender at the same time.

Quick snapshot: serves 4 | 15 minutes prep | about 55 minutes total | one pan

Why You’ll Love This Recipe

• One pan, minimal cleanup. Protein, starch, and vegetables are all cooked together.
• Crispy coating. Parmesan and breadcrumbs add crunch to every bite.
• Family friendly. Mild, cheesy, and easy to adjust with the veggies your family likes.
• Easy to prep. Most of the work is chopping, and you can do it ahead.

Ingredients You’ll Need

For the pan

• 1-1½ lbs boneless, skinless chicken breasts, cut into bite-sized chunks
• 3 medium potatoes, cut into 1-inch pieces
• 1 cup broccoli florets
• 1 red bell pepper, cut into 2-3-inch pieces
• 1 yellow bell pepper, cut into 2-3-inch pieces

For the crispy coating

• ¼ cup Parmesan cheese
• 3 tablespoons breadcrumbs
• 2 tablespoons olive oil
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• 1 teaspoon Italian seasoning
• 1 teaspoon black pepper
• ½ teaspoon salt

For the melty finish

• ¾ cup shredded mozzarella cheese
• Fresh parsley, optional

Equipment: a large rimmed baking sheet (or two, if yours is small), a mixing bowl, and an instant-read thermometer if you have one.

How to Make Sheet Pan Mozzarella Chicken

The recipe comes together in four short stages.

Before You Begin: Prep (15 minutes)

Heat the oven to 400°F. Cut the potatoes into 1-inch pieces, chop the bell peppers, and break the broccoli into small florets. Cut the chicken into bite-sized chunks, then keep the chicken separate from the vegetables for now.

In a small bowl, stir together the Parmesan, breadcrumbs, olive oil, garlic powder, onion powder, Italian seasoning, black pepper, and salt until it looks like a damp, crumbly paste.

Stage 1: Give the Potatoes a Head Start (15 minutes)

Toss the potatoes with about one third of the coating mixture. Spread them across the baking sheet in a single layer and roast for 15 minutes.

Stage 2: Add the Chicken and Vegetables (15-18 minutes)

While the potatoes roast, toss the chicken, broccoli, and bell peppers with the remaining coating until everything is evenly covered.

Pull the pan out of the oven and push the potatoes to one side. Add the chicken and vegetables, spreading them into a single layer with a little space between pieces. Return the pan to the oven and roast for 15-18 minutes, until the chicken is cooked through and the potatoes are fork-tender.

Stage 3: Melt the Cheese (3-5 minutes)

Sprinkle the mozzarella evenly over everything and bake for another 3-5 minutes, just until the cheese is melted and bubbly.

Stage 4: Rest and Serve

Let the pan sit for a couple of minutes, sprinkle with parsley if you like, and serve warm straight from the pan.

Tips for the Best Sheet Pan Chicken

• Check the chicken. It’s done when it reaches an internal temperature of 165°F (74°C). Cooking time depends on the size of your pieces.
• Don’t crowd the pan. If everything is piled together, it will steam instead of roast. Use two pans if needed.
• Cut pieces evenly. Similar-sized chicken and potato pieces cook at the same pace.
• Add the cheese at the end. Mozzarella added too early can overbrown and turn rubbery.
• If the potatoes are still firm, take the chicken off the pan and roast the potatoes a few minutes longer.
• Swap the vegetables. Zucchini, green beans, or cauliflower work in place of broccoli. Cut them to a similar size.

What to Serve With It

This is a complete meal on its own, but a few extras round it out nicely:

• A simple green salad with a lemony dressing
• Garlic bread or warm dinner rolls
• A small bowl of marinara for dipping the chicken

Storing & Reheating

• Refrigerate: Store leftovers in an airtight container for up to 3-4 days.
• Reheat: Warm in the oven at 350°F until heated through, which keeps the coating crisper than the microwave. The microwave works too when you’re short on time.

Frequently Asked Questions

Can I use chicken thighs instead of chicken breast? Yes. Boneless, skinless thighs stay juicy and work well. Cook until they reach 165°F (74°C).

Why add the potatoes first? Potato pieces take longer to soften than chicken chunks. A 15-minute head start means everything finishes together instead of leaving you with hard potatoes or dry chicken.

Can I prep this ahead? Yes. Chop the vegetables and chicken and mix the coating up to a day ahead, and store them separately in the fridge. Toss and bake when you’re ready.

Can I use fresh mozzarella? Shredded low-moisture mozzarella melts best. Fresh mozzarella releases more water, so pat it dry and use it sparingly.

How do I keep the vegetables from getting soggy? Spread them out on the pan and avoid stacking. Space lets the heat roast them rather than steam them.