Name: One-Dish Baked Chicken and Veggies
Prep time: 15 min
Cook time: 35 min
Total time: 50 min
Ingredients: 4 boneless and skinless chicken breasts; 1/2 teaspoonkosher or sea saltdivided; 1/2 teaspoonblack pepperdivided; 2 eggsbeaten; 1/2 cupparmesan cheesefreshly grated; 1 zucchinimedium (sliced into quarters); 1 yellow squashsliced into quarters; 2 garlic clovessliced; 1 cupcherry tomatoeshalved; 1 tablespoonthyme leavesfresh (optional 1 teaspoon dried thyme); 2 tablespoonsextra virgin olive oil

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I love recipes that feel effortless but still deliver on texture and flavor. This one-dish baked chicken and veggies checks both boxes: a Parmesan crust on the chicken, simple beaten eggs as the binder, and a bed of zucchini, yellow squash, garlic, and cherry tomatoes that roasts into sweet, tender goodness. It’s the kind of meal you can assemble after work and trust the oven to finish for you.

No special trips to the store. No fuss over multiple pans. You’ll get a lightly crisped chicken and oven-roasted vegetables that have soaked up a little savory, herbed olive oil. The method is straightforward and forgiving, which makes it ideal for weeknights and for when you need to feed a small crowd without spending hours in the kitchen.

Gather These Ingredients

Ingredients

4 boneless and skinless chicken breasts — the main protein; pat dry so the coating sticks and browns.
1/2 teaspoon kosher or sea salt, divided — adds essential seasoning; split between chicken and vegetables for balance.
1/2 teaspoon black pepper, divided — a bit of heat and depth; divide as directed for even seasoning.
2 eggs, beaten — acts as the binder so the Parmesan adheres to the chicken.
1/2 cup Parmesan cheese, freshly grated — creates the crisp, savory crust on the chicken.
1 zucchini (medium), sliced into quarters — roasts quickly and provides a tender vegetable base.
1 yellow squash, sliced into quarters — cooks at the same rate as zucchini and adds color and texture.
2 garlic cloves, sliced — gives aromatic flavor to the vegetables; thin slices roast and mellow.
1 cup cherry tomatoes, halved — burst and sweeten as they cook, brightening the dish.
1 tablespoon thyme leaves (fresh), optional 1 teaspoon dried thyme — herbaceous lift; fresh is best but dried works in a pinch.
2 tablespoons extra virgin olive oil — helps the vegetables roast and carry flavor.

Baked Chicken and Veggies: From Prep to Plate

Preheat oven to 350°F (175°C).
Pat the 4 chicken breasts dry with paper towels. Evenly sprinkle the chicken with 1/4 teaspoon of the kosher/sea salt and 1/4 teaspoon of the black pepper.
Pour the 2 beaten eggs into a shallow bowl. Dip each chicken breast into the eggs, letting any excess egg drip off.
Spread the 1/2 cup grated Parmesan on a plate. Press each egg-coated breast into the Parmesan, coating both sides.
In a large bowl, combine the sliced zucchini, sliced yellow squash, sliced garlic, halved cherry tomatoes, and the thyme (use 1 tablespoon fresh thyme leaves or 1 teaspoon dried thyme). Add the remaining 1/4 teaspoon salt, remaining 1/4 teaspoon black pepper, and the 2 tablespoons extra virgin olive oil. Toss to coat evenly.
Spread the tossed vegetables in an even layer across the bottom of a 13 x 9-inch baking dish. Arrange the Parmesan-coated chicken breasts on top of the vegetables.
Bake uncovered for 35 to 40 minutes, or until the chicken reaches an internal temperature of 165°F (74°C) and the vegetables are tender.
Remove from the oven and let rest 3–5 minutes. Serve the chicken on top of or alongside the vegetables.

Why It Deserves a Spot

This dish earns a regular place in a weekly rotation because it solves several problems at once: a full meal in one baking dish, minimal cleanup, and broadly appealing flavors. The Parmesan crust gives you a satisfying contrast to the soft vegetables, while the eggs keep the coating simple and without the need for breadcrumbs or complicated steps.

It also balances convenience and control. You can pull this together quickly, but there’s room for small adjustments—like swapping fresh for dried thyme or changing how you slice the vegetables—to suit your timing or what’s in the fridge. The result is reliably cozy and fresh at once.

Swap Guide

Keep these swaps simple and within the same cooking profile so the bake time and textures remain predictable.

Thyme (fresh or dried) — follow the provided option: 1 tablespoon fresh or 1 teaspoon dried; either will work with no other changes.
Vegetable quantities — if you have more zucchini than yellow squash, increase zucchini and keep the overall volume similar so the vegetables still form a single even layer in the dish.
Parmesan coating — remain with the Parmesan as the recipe specifies; it crisps without extra steps and pairs well with the listed vegetables.

Gear Up: What to Grab

Nothing fancy is required, but the right tools make this easier and more consistent.

13 x 9-inch baking dish — the recipe is scaled for this size so vegetables and chicken cook evenly.
Meat thermometer — quick and reliable way to confirm the chicken hits 165°F (74°C).
Mixing bowls — one for vegetables, one shallow bowl for the beaten eggs.
Sharp knife and cutting board — for slicing zucchini, squash, garlic, and halving cherry tomatoes.
Paper towels — patting chicken dry helps the coating adhere.

What Not to Do

A few common missteps can make this less successful. Don’t skip patting the chicken dry—moisture prevents the Parmesan from forming a proper crust. Don’t pile the vegetables too deep in the baking dish; they should lay in a single layer so they roast rather than steam. And don’t under-season: divide the salt and pepper as directed so both chicken and vegetables are properly seasoned.

Variations by Season

Work with the recipe’s rhythm rather than the exact produce list when seasons change. In warm months, play up the zucchini and cherry tomatoes for bright, juicy results. In cooler months, lean on the thyme a little more for savory depth. Small shifts in ratios—more tomatoes in summer, a touch more thyme later in the year—keep the same basic method suitable year-round.

Cook’s Notes

Timing: the 35–40 minute bake window is based on average breast thickness. Thin breasts will finish closer to 35 minutes; thicker ones may need the full 40. A thermometer takes the guesswork out of this.

Resting: letting the chicken sit 3–5 minutes after baking locks in juices and makes slicing neater. During that brief rest, the vegetables will cool just enough to be pleasantly spoonable without losing their structure.

Coating tips: press the Parmesan on firmly so it adheres well to the egg-coated surface. If you find clumps, a gentle shake before placing the breast in the dish helps. The egg step is essential—skip it and the cheese won’t stick as well.

Shelf Life & Storage

Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat gently in a 350°F (175°C) oven until warmed through—this helps keep the crust from going completely soft. For quicker reheating, cover loosely with foil and heat for 10–15 minutes, checking to avoid drying out the chicken.

Freezing is possible but changes texture: pack cooled chicken and vegetables into a freezer-safe container, freeze up to 2 months, and thaw overnight in the refrigerator before reheating. Expect a softer vegetable texture after freezing and reheating.

Troubleshooting Q&A

Q: My Parmesan coating went soggy. What happened?
A: The most likely causes are excess moisture on the chicken or too much vegetable liquid in the dish. Pat the chicken thoroughly dry before dipping in egg, and arrange the vegetables in a single even layer so any released juices spread rather than pool under the chicken.

Q: The chicken finished but the vegetables are undercooked.
A: That usually means the vegetables were cut too large or layered too thickly. Next time, slice the zucchini and yellow squash into thinner wedges and make sure they’re in a single layer. You can also move the chicken aside halfway through cooking so the vegetables get direct heat.

Q: The vegetables are done but the chicken is not.
A: If the breasts are particularly thick, tent the dish loosely with foil and continue baking until the internal temperature is 165°F (74°C). Using a thermometer will help you avoid overcooking the vegetables while the chicken finishes.

That’s a Wrap

This one-dish baked chicken and veggies is straightforward, forgiving, and perfectly suited to busy nights when you want a real meal without the cleanup. The method gives you a crisp-ish, cheesy coating on the chicken and tender, seasoned vegetables underneath. Follow the steps, mind the little tips about drying, seasoning, and layering, and you’ll have a dependable, satisfying dinner that’s easy to repeat.

Make it on a weeknight, bring it to a potluck, or keep it in rotation for its simplicity. Either way, it’s one of those recipes I come back to when I want a reliable, real-food result with minimal effort. Enjoy.