High Protein Chicken Zucchini Bake

Featured in: Amber-Glowed Cozy Dinners

This satisfying casserole combines golden-seared chicken pieces with thinly sliced zucchini, layered in a creamy Greek yogurt and egg mixture. The dish bakes until the mozzarella and Parmesan topping becomes bubbly and lightly golden, creating a hearty, protein-rich meal perfect for dinner or meal prep.

Updated on Sun, 01 Feb 2026 15:07:00 GMT
Freshly baked High Protein Chicken Zucchini Bake with golden melted mozzarella and Parmesan, served warm and bubbly from the oven. Save to Pinterest
Freshly baked High Protein Chicken Zucchini Bake with golden melted mozzarella and Parmesan, served warm and bubbly from the oven. | amberthicket.com

I was standing in my kitchen on a Tuesday night, staring at two zucchini that were about to go soft and a package of chicken I'd forgotten to meal prep. I wasn't in the mood for another boring stir-fry, so I grabbed a baking dish and started layering things like I was building a lasagna, but without the carbs. The creamy yogurt-egg mixture was a last-minute idea, something I'd seen in a Turkish recipe once, and when it came out of the oven all bubbly and golden, I knew I'd stumbled onto something good. My husband took one bite and asked if I could make it again that week.

The first time I brought this to a potluck, my friend who's always counting macros asked for the recipe before she even finished her first serving. She loved that it tasted indulgent but fit her goals, and I loved that it used up vegetables without anyone noticing they were eating something healthy. We stood in the kitchen talking about how rare it is to find a dish that satisfies both flavor and function. That night, I realized this wasn't just a weeknight dinner, it was the kind of recipe you share when someone asks for real help in the kitchen.

Ingredients

  • Boneless, skinless chicken breast: The star protein here; I cut mine into bite-sized pieces so every forkful has a bit of everything, and searing them first locks in flavor and keeps them juicy.
  • Dried oregano: It adds an herby, slightly floral note that makes the whole dish feel more intentional than just throwing things together.
  • Smoked paprika: This is what gives the chicken that warm, toasty depth without any actual smoke or grill required.
  • Garlic powder: I use this in the spice rub for even distribution, then add fresh garlic to the skillet for a double hit of flavor.
  • Zucchini: Slice them thin so they soften just enough to meld with the creamy layers but still hold a little texture and bite.
  • Yellow onion: Sautéing it first brings out its sweetness and keeps the dish from tasting one-dimensional.
  • Fresh garlic: Two cloves minced and cooked just until fragrant, never browned, or it turns bitter.
  • Eggs: They bind the yogurt into a custard-like layer that sets beautifully in the oven and adds extra protein.
  • Plain Greek yogurt: This is the secret to keeping the dish moist and creamy without heavy cream or tons of cheese; full-fat or low-fat both work.
  • Shredded mozzarella: I use low-fat to keep it lighter, and dividing it between layers ensures cheesy goodness in every bite.
  • Grated Parmesan: Just two tablespoons for a nutty, salty finish that crisps up on top.
  • Olive oil: For greasing the dish and searing the chicken; it adds richness without being heavy.
  • Fresh parsley or basil: A handful chopped at the end makes the whole thing look and taste brighter.

Instructions

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Preheat and Prep:
Set your oven to 375°F and lightly grease a 9x9-inch baking dish with olive oil. This keeps everything from sticking and makes cleanup so much easier.
Season the Chicken:
In a medium bowl, mix oregano, smoked paprika, garlic powder, salt, and pepper, then toss the chicken pieces until every bit is coated. The spices will cling better if the chicken is just slightly damp.
Sear the Chicken:
Heat a tablespoon of olive oil in a large skillet over medium-high heat and add the seasoned chicken, searing for 3 to 4 minutes per side until golden but not fully cooked. You just want color and flavor here; it will finish in the oven.
Cook the Aromatics:
Lower the heat to medium, add the chopped onion to the same skillet, and sauté for 3 minutes until softened. Toss in the minced garlic and cook for 30 seconds, stirring constantly so it doesn't burn.
Whisk the Yogurt Mixture:
In a separate bowl, whisk together the eggs and Greek yogurt until smooth and creamy. Season lightly with salt and pepper; this will be your custard-like binder.
Combine Chicken and Aromatics:
Return the seared chicken to the skillet with the onion and garlic, stir everything together, then remove from heat. You want the flavors to mingle but not cook any further.
Layer the Bake:
Start with half the zucchini slices in the bottom of your baking dish, then spread half the chicken mixture on top and pour half the yogurt-egg blend evenly over everything. Sprinkle with half the mozzarella and half the Parmesan, then repeat the entire process with the remaining ingredients.
Bake Covered:
Cover the dish loosely with foil and bake for 20 minutes. The foil traps steam and helps the layers cook evenly without drying out.
Finish Uncovered:
Remove the foil and bake for another 10 to 15 minutes until the cheese is melted, bubbly, and lightly golden on top. The edges should look slightly crisp and irresistible.
Rest and Serve:
Let the bake rest for 5 minutes before slicing so the layers set and don't slide everywhere. Garnish with fresh parsley or basil and serve warm.
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Layers of tender seared chicken and crisp zucchini slices in a creamy yogurt egg blend, topped with bubbly cheese in a baking dish. Save to Pinterest
Layers of tender seared chicken and crisp zucchini slices in a creamy yogurt egg blend, topped with bubbly cheese in a baking dish. | amberthicket.com

One Sunday, I made a double batch of this and portioned it into containers for the week ahead. My son, who usually turns his nose up at anything green, ate his entire serving without a single complaint and even asked if there was more. That moment reminded me that sometimes the best recipes aren't the fanciest ones; they're the ones that quietly win people over and make your week a little easier.

Storing and Reheating

This bake keeps beautifully in an airtight container in the fridge for up to four days, and I've found it actually tastes even better the next day once the flavors have had time to settle. Reheat individual portions in the microwave for about 90 seconds, or warm the whole dish covered in a 350°F oven for 15 minutes. If you're freezing it, let it cool completely, wrap tightly in foil, and freeze for up to two months; thaw overnight in the fridge before reheating.

Swaps and Variations

I've swapped the Greek yogurt for low-fat cottage cheese when I wanted an even creamier texture and a little more protein, and it worked perfectly. If you're dairy-free, plant-based yogurt and cheese alternatives hold up well, though the flavor will be a bit milder. For a spicy kick, I sometimes add a pinch of red pepper flakes to the chicken seasoning or drizzle hot sauce over my serving, and my husband loves stirring in chopped bell pepper or baby spinach for extra vegetables.

What to Serve It With

This bake is hearty enough to stand alone, but I love pairing it with a simple arugula salad dressed in lemon and olive oil to cut through the richness. A slice of crusty whole-grain bread on the side is perfect for scooping up any creamy bits left on the plate, and if you're feeding a crowd, roasted cherry tomatoes or a quick cucumber-feta salad round out the meal beautifully.

  • A crisp green salad with a tangy vinaigrette balances the creamy, cheesy layers.
  • Roasted vegetables like broccoli or Brussels sprouts add color and extra fiber.
  • A light soup, like a tomato basil or chicken broth-based one, makes it feel like a full spread.
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Low carb High Protein Chicken Zucchini Bake garnished with fresh parsley, ready to serve as a family style American dinner casserole. Save to Pinterest
Low carb High Protein Chicken Zucchini Bake garnished with fresh parsley, ready to serve as a family style American dinner casserole. | amberthicket.com

This bake has become my go-to whenever I need something that feels like a hug but doesn't weigh me down. I hope it finds a spot in your rotation, too.

Recipe FAQs

Can I prepare this chicken zucchini bake ahead of time?

Yes, you can assemble the entire dish up to 24 hours in advance and store it covered in the refrigerator. When ready to bake, add 5-10 minutes to the covered baking time since it will be cold.

What vegetables can I substitute for zucchini?

Yellow squash works perfectly as a direct substitute. You can also add sliced bell peppers, baby spinach, or mushrooms to the layers for extra vegetables and variety.

How do I store and reheat leftovers?

Store in an airtight container in the refrigerator for up to 4 days. Reheat individual portions in the microwave for 2-3 minutes or cover and warm in a 350°F oven until heated through.

Can I use chicken thighs instead of breasts?

Absolutely. Boneless, skinless chicken thighs work well and add extra moisture and flavor. Adjust cooking time slightly if pieces are larger, ensuring they reach an internal temperature of 165°F.

Is this dish freezer-friendly?

Yes, you can freeze the assembled, unbaked casserole for up to 3 months. Thaw overnight in the refrigerator before baking. You can also freeze individual portions after baking.

High Protein Chicken Zucchini Bake

Layers of seasoned chicken and zucchini in a creamy egg-yogurt blend with melted mozzarella and Parmesan cheese.

Prep Duration
20 minutes
Cook Duration
35 minutes
Overall Time
55 minutes
Created by Daniel Hughes


Skill Level Medium

Cuisine Origin American

Portion 4 Portions

Diet Details No Gluten, Reduced-Carb

What You'll Need

Chicken & Seasoning

01 1 pound boneless, skinless chicken breast, cut into bite-sized pieces
02 1 teaspoon dried oregano
03 1 teaspoon smoked paprika
04 ½ teaspoon garlic powder
05 ½ teaspoon salt, plus more to taste
06 Freshly ground black pepper to taste

Vegetables

01 2 medium zucchini, thinly sliced (about 4 cups)
02 1 small yellow onion, finely chopped
03 2 cloves garlic, minced

Dairy & Eggs

01 2 large eggs
02 ½ cup plain Greek yogurt
03 1 cup shredded low-fat mozzarella cheese, divided
04 2 tablespoons grated Parmesan cheese

Other

01 1 tablespoon olive oil, plus extra for greasing
02 Fresh parsley or basil for garnish (optional)

How To Make It

Instruction 01

Prepare baking dish and preheat oven: Preheat oven to 375°F. Lightly grease a 9x9-inch baking dish with olive oil.

Instruction 02

Season chicken pieces: In a medium bowl, combine oregano, smoked paprika, garlic powder, ½ teaspoon salt, and black pepper. Toss chicken pieces in the spice mixture until well coated.

Instruction 03

Sear chicken: Heat 1 tablespoon olive oil in a large skillet over medium-high heat. Add seasoned chicken and sear for 3-4 minutes per side until golden. Transfer to a plate.

Instruction 04

Cook aromatics: In the same skillet, reduce heat to medium. Add chopped onion and sauté for 3 minutes until softened. Add minced garlic and cook for 30 seconds, stirring constantly.

Instruction 05

Prepare yogurt-egg mixture: In a separate bowl, whisk together eggs and Greek yogurt until smooth. Season lightly with salt and pepper.

Instruction 06

Combine chicken with aromatics: Return seared chicken to the skillet and stir to combine with onion and garlic mixture. Remove from heat.

Instruction 07

Assemble first layer: Layer half of the sliced zucchini in the bottom of the prepared baking dish. Spread half of the chicken-onion mixture over the zucchini. Pour half of the yogurt-egg mixture evenly on top.

Instruction 08

Add first cheese layer: Sprinkle half of the shredded mozzarella and half of the Parmesan over the yogurt-egg mixture.

Instruction 09

Assemble second layer: Repeat with remaining zucchini slices, chicken mixture, yogurt-egg mix, and finish with remaining mozzarella and Parmesan.

Instruction 10

Bake covered: Cover the dish loosely with aluminum foil and bake for 20 minutes.

Instruction 11

Bake uncovered: Remove foil and bake an additional 10-15 minutes until cheese is melted, bubbly, and lightly golden.

Instruction 12

Rest and serve: Let the bake rest for 5 minutes before slicing. Garnish with chopped fresh parsley or basil if desired. Serve warm.

Essential Tools

  • 9x9-inch baking dish
  • Large skillet
  • Mixing bowls
  • Whisk
  • Sharp knife
  • Cutting board
  • Measuring spoons and cups
  • Aluminum foil

Allergy Notice

Always check ingredients for possible allergens. Consult a healthcare provider if you're unsure.
  • Contains eggs
  • Contains dairy (milk)

Nutrition Info (per serving)

For informational use only; not a substitute for advice from healthcare professionals.
  • Energy (kcal): 380
  • Fats: 16 g
  • Carbohydrates: 10 g
  • Proteins: 48 g