Healthy Mediterranean Chicken Zucchini Bake

 

This Mediterranean Chicken Zucchini Bake has all the cozy, cheesy flavors of lasagna but with more protein, extra veggies, and way fewer carbs. It’s layered with tender chicken, zucchini, melty cheese, and savory Mediterranean herbs—comfort food that just happens to be lighter and healthier.

Love More Zucchini Recipes? Try Keto Zucchini Casserole or this Zucchini Noodle Chicken Alfredo next.

Why You’ll Love This Recipe

This Mediterranean Chicken Zucchini Bake is one of those meals that hits all the right notes—easy to make, packed with flavor, and secretly healthy. The tender chicken, sweet roasted zucchini, and melty cheese come together in the oven with barely any effort. It’s everything you love about comfort food, but lighter and fresher. No one at the table misses the pasta, and the leftovers taste even better the next day.  

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Ingredient List

For the Chicken:

• 4 boneless, skinless chicken breasts, sliced into thin cutlets
• 3 tablespoons extra virgin olive oil
• 1 teaspoon garlic powder
• 1 teaspoon dried oregano
• Sea salt and cracked black pepper to taste

For the Vegetable Layer:

• 2-3 medium zucchini, sliced into ¼-inch rounds
• 2-3 Roma tomatoes (or 1 cup cherry tomatoes), chopped
• 1 small red onion, thinly sliced
• 2-3 cloves garlic, crushed

For the Cheese Topping:

• 1 cup shredded mozzarella cheese
• ½ cup grated Parmesan cheese

For Garnish:

• Fresh basil leaves
• Fresh parsley (optional)

Real talk: If you don’t have Roma tomatoes, just grab whatever tomatoes look good at the store. And if your red onion makes you cry like a baby (guilty!), rinse the slices under cold water for 30 seconds – total game changer.

Why These Ingredients Work

Okay, so here’s the thing about this combo – it’s basically foolproof. The olive oil isn’t just for cooking, it’s doing double duty carrying all those herbs and keeping everything from sticking together. Those thin chicken cutlets? They cook fast and stay juicy instead of turning into rubber like thick breasts do.

The zucchini is where the magic happens though. It releases just enough water to keep everything moist but not soggy (learned this the hard way with my first attempt). The tomatoes get all sweet and jammy, the red onion mellows out completely, and that crushed garlic? It’s like flavor insurance – makes everything taste better.

And don’t even get me started on the cheese situation. Mozzarella melts into gooey perfection while Parmesan gets crispy and adds that sharp bite that makes you go “mmm” with every forkful.

Essential Tools and Equipment

You’ll need:

• Large baking dish (9×13 inch works perfectly)
• Sharp knife for slicing
• Cutting boards
• Measuring cups and spoons
• Aluminum foil
• Meat thermometer (to ensure chicken reaches 165°F)

How To Make Mediterranean Chicken Zucchini Bake

Step 1: Crank your oven to 400°F and grease that baking dish like your life depends on it. Seriously, nothing worse than scraping stuck-on cheese off the bottom later.

Step 2: Toss your chicken with all the seasonings and let it sit there looking pretty for 10 minutes. I usually use this time to slice vegetables and question my life choices.

Step 3: Slice your zucchini into rounds – not too thick or they’ll be crunchy, not too thin or they’ll disappear. About the thickness of a quarter works perfectly.

Step 4: Start layering like you’re building the world’s most delicious lasagna – zucchini on the bottom, overlapping slightly because we’re not animals.

Step 5: Chicken goes on next. Just nestle those cutlets right on top of the zucchini like they belong there.

Step 6: Now dump on your tomatoes, onions, and garlic. Don’t be precious about it – just scatter everything around like you’re decorating a pizza.

Step 7: Cheese time! Mozzarella first, then Parmesan on top. Be generous – life’s too short for skimpy cheese.

Step 8: Cover with foil and stick it in the oven for 20-25 minutes. Set a timer because I’ve definitely forgotten things in the oven before.

Step 9: Pull off that foil and broil for 2-4 minutes until the cheese looks like golden perfection. Keep an eye on it – broilers are sneaky fast.

Step 10: Let it rest for 5 minutes even though it smells incredible and you want to dive in immediately. Trust me on this one.

 

 You Must Know

The secret of good chicken is NOT to overcook it! Always use a meat thermometer – chicken is done at 165°F internal temperature!. Also, letting the chicken rest with its seasoning for those 10 minutes really does make a difference in flavor penetration.

Personal Secret: I sneak a few fresh basil leaves under the cheese before baking. They get all wilted and perfumy, and my family thinks I’m some kind of herb wizard. Really I just watched too much Food Network during maternity leave.

Pro Tips & Cooking Hacks

Look, I’ve screwed this up enough times to know what works and what doesn’t. First thing – pat those zucchini slices with paper towels or you’ll have a watery mess. I learned this when my first attempt turned into zucchini soup with floating chicken pieces.

Don’t be a hero and try to cook thick chicken breasts. Pound them thin or slice them thinner – nobody wants to bite into rubber. And for the love of all that’s holy, don’t skip letting it rest after baking. I know it smells amazing but those juices need to settle or it’ll be a soggy disaster on your plate.

Oh, and buy the good Parmesan. The green can stuff tastes like cardboard. Splurge on the real deal – your taste buds will thank you.

Flavor Variations / Suggestions

My neighbor makes this with feta and olives instead of mozzarella – totally different vibe but equally delicious. My teenage daughter likes it with bell peppers thrown in, though she picks out the onions like they’re poison.

When I’m feeling fancy, I throw in some fresh thyme from my sad little herb garden. Sometimes I add mushrooms if they’re on sale. My husband requests the spicy version with red pepper flakes, but he puts hot sauce on everything so take that with a grain of salt.

Honestly, this recipe is pretty forgiving. I’ve made it with whatever vegetables were about to go bad in my fridge, and it always turns out fine.

Make-Ahead Options

Sunday meal prep? This is your friend. I usually assemble everything except the cheese on Sunday afternoon, stick it in the fridge, then add cheese and bake on Tuesday when I’m too tired to think. Just add maybe 10 extra minutes if you’re baking it straight from the fridge.

You can also prep all your vegetables the night before, but keep the chicken separate or it gets weird and slimy. Been there, done that, threw it away.

Recipe Notes & Baker’s Tips

Make sure your oven is actually preheated before you put this in. I got impatient once and stuck it in while the oven was still heating up – the chicken cooked unevenly and I was not happy.

Pick zucchini that feel heavy and don’t have soft spots. Nobody wants mushy vegetables in their dinner. And if you’re grating your own Parmesan (which you should), use the small holes on your grater. The big holes make chunks that don’t melt properly.

Serving Suggestions

We usually eat this with some crusty bread because my kids need carbs to survive apparently. Sometimes I make a quick salad with whatever’s in the fridge – cucumbers, tomatoes, whatever.

My mother-in-law always serves it with rice, but honestly it’s plenty filling on its own. A glass of wine doesn’t hurt either, but that’s just me.

 

How to Store Your Mediterranean Chicken Zucchini Bake

The leftovers keep for 3-4 days in the fridge, if they ever last that long in your house. Return to a warm oven (350°F) for 15 minutes or more, or microwave single portions if you’re hungry.

I’ve frozen this before and it works fine, just thaw it overnight first. The zucchini gets a little softer after freezing but it’s still tasty.

This was our new “what’s for dinner?” getaway and I hope it’ll be yours too! It’s very satisfying to throw some basic ingredients together and have everyone think you’re a master of the kitchen. Here’s to easy dinners that don’t taste easy.

Here’s to easy dinners that don’t taste easy!

Allergy Information

Common Allergens: This recipe contains dairy (cheese).

Substitution Suggestions:

• Dairy-Free: Serve with dairy-free mozzarella and nutritional yeast for
• Parmesan Low-Carb: This recipe is low-carb naturally
• Gluten-Free: Naturally gluten-free as written

Questions I Get Asked A lot

💬 Tried this recipe? Leave a comment and rating below! I absolutely love hearing about your kitchen adventures and any creative twists you’ve added.