Bright, warm, and full of tangy herbs, Greek Casserole with Chicken and Veggies is a cozy meal the whole family will eat. This one-dish dinner blends juicy chicken, roasted vegetables, lemon, and salty feta for a comfy, homey flavor. If you enjoy easy casseroles, you might also like our chicken and dressing casserole. It cooks in one pan, smells like a sunny kitchen, and fills the house with a warm, herby aroma.

Why Make This Recipe

Quick & Easy: One-pan prep and a single baking dish to wash.
Family Favorite: Mild, familiar flavors with a little tang from lemon and feta.
Budget-Friendly: Uses simple, affordable produce and chicken pieces.
Comforting: Roasted vegetables and warm chicken create a soft, satisfying texture.

This casserole stands out because it mixes classic Greek flavors without fuss. The lemon and oregano brighten the dish while the feta adds creamy saltiness. It feels like a hug on a plate — perfect for weeknights when you want something wholesome and simple.

Ingredients

For the base:

1.5 pounds boneless, skinless chicken thighs (or breasts), cut into 1-inch pieces
3 cups mixed vegetables (1 red bell pepper, 1 zucchini, 1 red onion), chopped into bite-size pieces
1 cup cherry tomatoes, halved

For the seasoning:

3 tablespoons olive oil
3 cloves garlic, minced
2 tablespoons fresh lemon juice (about 1 lemon)
1 teaspoon lemon zest (optional)
1 tablespoon dried oregano (or 1.5 tablespoons fresh, chopped)
1 teaspoon salt, plus extra to taste
1/2 teaspoon black pepper

For the topping:

3/4 cup crumbled feta cheese
1/4 cup pitted Kalamata olives, halved (optional)
2 tablespoons chopped fresh parsley for garnish

Notes:

Use boneless thighs for juiciness; breasts work but can dry faster.
Measure salt to taste if using salty feta or olives.

How to Make Greek Casserole with Chicken and Veggies

Preheat the oven to 400°F (200°C). Lightly oil a 9×13-inch baking dish. Preheating gives even roast and a golden finish.
In a large bowl, whisk olive oil, minced garlic, lemon juice, lemon zest, oregano, salt, and pepper. This makes a bright, herby dressing that flavors everything.
Add the chicken pieces and chopped vegetables to the bowl. Toss well so each piece gets coated in the seasoning. Proper coating helps the chicken stay juicy and the veggies caramelize.
Spread the chicken and vegetables in a single layer in the prepared baking dish. Avoid crowding so heat can brown the food rather than steam it.
Roast in the preheated oven for 25–30 minutes, stirring once halfway through. The chicken should reach 165°F (74°C) and the vegetables should be tender with browned edges. You’ll smell warm lemon and roasted garlic.
Remove the dish from the oven and sprinkle crumbled feta and olives over the top. Return to the oven for 3–5 minutes if you want the feta slightly warmed. The melting feta adds creamy pockets against roasted veggies.
Let the casserole rest 5 minutes before serving. Garnish with chopped parsley for a fresh, green scent.

How to Serve Greek Casserole with Chicken and Veggies

Spoon over warm rice or creamy mashed potatoes to soak up pan juices.
Serve with a simple green salad and crusty bread for a complete weeknight meal. For a different pairing, try it alongside our air-fry sweet and sour chicken for a fun contrast at a family buffet.
Garnish with extra lemon wedges and a sprinkle of fresh parsley for brightness and color.

How to Store Greek Casserole with Chicken and Veggies

Fridge: Cool to room temperature, then store in an airtight container for up to 3–4 days.
Freezer: Freeze portions in freezer-safe containers for up to 2 months. Thaw overnight in the fridge before reheating.
Reheat: Warm single portions in the microwave for 1–2 minutes, or reheat a larger dish in a 350°F (175°C) oven for 15–20 minutes until heated through. Add a splash of water or broth if the dish looks dry.

Tips to Make Greek Casserole with Chicken and Veggies

Cut chicken and veggies to similar sizes for even cooking.
Pat chicken dry before tossing with oil to help it brown.
Use cherry tomatoes for sweet bursts; they caramelize nicely.
Taste and adjust salt after adding feta and olives because they add saltiness.
Let it rest a few minutes after baking so juices settle; the texture improves.

Variation

Vegetarian: Swap chicken for firm tofu cubes or chickpeas. Roast the same way, and add a drizzle of olive oil before baking.
Gluten-free: This recipe is naturally gluten-free. Just double-check any store-bought olives or feta for additives if you have a strict intolerance.

Can I use chicken breasts instead of thighs?

Yes. Chicken breasts work fine; cut them into even pieces and watch cooking time so they don’t dry out. Check for 165°F (74°C) internal temperature.

Can I make this casserole ahead of time?

Yes. Assemble the dish, cover, and refrigerate for up to 24 hours before baking. Bring it to room temperature for 20 minutes before baking to help it cook evenly.

How do I prevent soggy vegetables?

Cut vegetables into similar sizes and avoid overcrowding the pan. Roast at 400°F (200°C) so edges brown and liquids evaporate.

Conclusion

This Greek Casserole with Chicken and Veggies is simple, flavorful, and warmly familiar — perfect for busy nights when you want comfort without fuss. The lemon and oregano lift the roasted chicken, while feta adds creamy, salty bites that make every forkful satisfying. If you enjoy sheet-pan style dinners with similar flavors, try the Greek Sheet Pan Chicken Dinner – Downshiftology for another easy family meal idea. Please leave a comment and star rating below to tell us how it turned out, and share this recipe on Pinterest or Facebook. What twist did you try? Let us know below!