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Crispy chicken Parmesan with tomato sauce, melted cheese, and basil

30-Minute Dinners

Crispy Sheet-Pan Garlic Parmesan Chicken

Juicy chicken, crackly Parmesan edges, and roasted broccoli on one pan—with a lemony pan sauce hiding underneath.

Developed for DishGal · Updated 2026-08-17

30-Minute DinnersEasy Chicken Recipes
Prep12 min
Cook25 min
Total37 min
Cost$3.45

Directions

  1. Heat the pan

    Heat the oven to 425°F. Place a large rimmed sheet pan in the oven while it heats; the hot metal helps the potatoes start browning immediately.

  2. Start the potatoes

    Toss the potatoes with 1 tablespoon olive oil, half the salt, and several grinds of pepper. Carefully spread them cut-side down on the hot pan and roast for 10 minutes.

  3. Build the crust

    Mix Parmesan, panko, garlic, Italian seasoning, lemon zest, remaining salt, and pepper. Brush chicken with 1 tablespoon oil and press the crumb mixture firmly onto both sides.

  4. Finish the pan

    Turn the potatoes, add broccoli tossed with the last tablespoon of oil, and nestle in the chicken. Roast 15 to 18 minutes, until chicken reaches 165°F and the crust is deep golden.

  5. Brighten and serve

    Squeeze half the lemon over the entire pan. Let the chicken rest 5 minutes, then serve with the pan-roasted lemony juices spooned over top.

Why this works

Why it worksPreheating the pan creates browned potatoes without extra cook time.
Why it worksParmesan melts into the panko and forms a sturdy crust that stays crisp.
Why it worksChicken thighs remain forgiving and juicy even at high heat.

Useful kitchen gear

Tools that make this easier.

Compare the function and specifications first; skip anything your kitchen already handles well.

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Compare on AmazonHalf-sheet pansHeavy-gauge, rimmed pans give food room to roast.See current options → Compare on AmazonDigital probe thermometerCheck food safely without cutting into every piece.See current options → Compare on AmazonHeat-safe oven mittsGrip and forearm coverage matter when moving a loaded pan.See current options →

Swaps & notes

Easy swaps

  • Use chicken breasts cut into 1-inch cutlets; begin checking at 12 minutes.
  • Swap broccoli for green beans or halved Brussels sprouts.
  • Gluten-free panko works one-for-one.

Cook notes

  • Use finely grated Parmesan, not thick shreds, so it adheres to the chicken.
  • Crowding traps steam. Use two pans when doubling.

Storage

Refrigerate up to 4 days. Reheat on a sheet pan at 400°F for 8 to 10 minutes so the coating crisps again; the microwave softens it.

Questions

Can I prep it ahead?

Mix the crumb coating and cut the vegetables up to 2 days ahead. Coat the chicken just before baking.

Why did the coating fall off?

The chicken was probably too wet. Pat it very dry and press the coating on firmly.

Can I use bone-in thighs?

Yes, but roast them separately for roughly 35 to 45 minutes and verify 165°F in the thickest part.

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Crispy Sheet-Pan Garlic Parmesan Chicken
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1. Heat the panHeat the oven to 425°F. Place a large rimmed sheet pan in the oven while it heats; the hot metal helps the potatoes start browning immediately.
2. Start the potatoesToss the potatoes with 1 tablespoon olive oil, half the salt, and several grinds of pepper. Carefully spread them cut-side down on the hot pan and roast for 10 minutes.
3. Build the crustMix Parmesan, panko, garlic, Italian seasoning, lemon zest, remaining salt, and pepper. Brush chicken with 1 tablespoon oil and press the crumb mixture firmly onto both sides.
4. Finish the panTurn the potatoes, add broccoli tossed with the last tablespoon of oil, and nestle in the chicken. Roast 15 to 18 minutes, until chicken reaches 165°F and the crust is deep golden.
5. Brighten and serveSqueeze half the lemon over the entire pan. Let the chicken rest 5 minutes, then serve with the pan-roasted lemony juices spooned over top.