Easy Baked Greek Chicken Casserole – One-Dish Mediterranean Dinner

If you’re craving a flavorful, effortless Mediterranean-inspired dinner, this Baked Greek Chicken Casserole is your new go-to. Loaded with tender bite-sized chicken, roasted red peppers, artichoke hearts, kalamata olives, and a sprinkling of melted mozzarella, this dish is a harmonious mix of textures and bold flavors. Perfect for busy weeknights, casual family dinners, or Sunday gatherings, it’s a simple one-dish meal that brings the tastes of Greece straight to your kitchen. With a zesty, herby dressing and savory roasted vegetables, every bite delivers a perfect balance of protein, veggies, and creamy cheese. Long-tail keywords like “easy Greek chicken casserole recipe,” “one-dish Mediterranean chicken,” and “healthy baked chicken dinner” make this a standout recipe for anyone looking for quick, wholesome, and satisfying meals.

Why You’ll Love This Recipe

• One-Dish Convenience: Everything bakes together in a 9×13 casserole, minimizing cleanup.
• Bursting with Flavor: Kalamata olives, roasted red peppers, and artichokes provide authentic Mediterranean taste.
• Tender Chicken: Bite-size chicken pieces stay juicy thanks to a simple dressing marinade.
• Family-Friendly: Appealing to adults and kids alike with a cheesy, colorful presentation.
• Meal Prep Ready: Can marinate chicken ahead of time and reheat leftovers easily.
• Beginner-Friendly: Straightforward steps make it accessible even for novice cooks.

Ingredients Breakdown

Casserole

• 3 cups boneless skinless chicken breast, cut into bite-size pieces – main protein source, cooks evenly.
• 1 can artichoke hearts, drained – adds subtle tang and tender texture.
• 1 cup roasted red peppers, drained – sweet and smoky flavor.
• 1 cup kalamata olives, halved – briny Mediterranean punch.
• ¼ cup onions, chopped – aromatic base for the casserole.
• 1 zucchini, ends removed, halved, and sliced in 1-inch pieces – tender vegetable component.

Dressing

• ½ cup olive oil – richness and moisture for chicken and veggies.
• ¼ cup red wine vinegar – bright acidity to balance flavors.
• ½ teaspoon salt – seasoning for taste enhancement.
• 1 teaspoon garlic powder – subtle savory depth.
• 1 teaspoon dried oregano leaves – classic Greek herb flavor.
• ¼ teaspoon black pepper – gentle heat.
• 1 teaspoon fresh parsley (optional), chopped – fresh herbal accent.

Topping

• 1 cup shredded mozzarella cheese – creamy, melty finish that brings the casserole together.

Makes 8 servings. Each serving has approximately 306 kcal, 20g protein, 8g carbs, 22g fat, 3g fiber.

Tools & Equipment Needed

• 9×13-inch casserole dish
• Nonstick cooking spray
• Gallon-size zip-top freezer bag
• Small bowl or jar for dressing
• Measuring cups and spoons
• Knife and cutting board
• Spoon or spatula for tossing
• Optional: fresh herb chopper

Step-by-Step Instructions

1. Preheat Oven: Set oven to 350°F to prepare for baking.
2. Prepare Casserole Dish: Coat a 9×13-inch casserole dish with nonstick cooking spray.
3. Mix Dressing: In a small bowl or jar, combine olive oil, red wine vinegar, salt, garlic powder, oregano, black pepper, and optional parsley. Stir or shake until blended.
4. Marinate Chicken: Place chicken pieces in a gallon zip-top freezer bag. Pour in half of the dressing and toss to coat. Let the chicken rest for 20 minutes on the counter or refrigerate up to overnight.
5. Assemble Casserole: Transfer marinated chicken to the prepared casserole dish. Sprinkle chopped onions, roasted red peppers, artichoke hearts, and halved kalamata olives evenly over the chicken.
6. Add Remaining Dressing: Pour remaining dressing over the top. Toss lightly to coat vegetables with chicken evenly.
7. Add Cheese: Sprinkle shredded mozzarella over the casserole.
8. Bake: Place casserole in the preheated oven and bake for 45 minutes, or until chicken is fully cooked and vegetables are tender.
9. Finish & Serve: Garnish with fresh parsley. Serve with a simple green salad or cauliflower rice if desired.

Tips & Variations

• Use Cooked Chicken: Swap raw chicken for cooked or rotisserie chicken to save time.
• Fresh Herbs: For extra flavor, substitute fresh oregano for dried.
• Vegetarian Option: Replace chicken with firm tofu or chickpeas and increase vegetables.
• Gluten-Free Friendly: Naturally gluten-free without any modifications.
• Spice Level: Add crushed red pepper flakes for a gentle kick.
• Pantry Swaps: Roasted bell peppers can be replaced with sun-dried tomatoes if preferred.

Flavor Profile

This casserole features a savory, tangy, and lightly sweet flavor from the roasted red peppers and red wine vinegar. Kalamata olives provide a briny depth, while garlic and oregano contribute classic Greek aromatics. Chicken remains tender and juicy, vegetables stay soft but not mushy, and mozzarella cheese melts to a creamy, golden topping. The combination delivers a well-balanced, hearty, and comforting meal with authentic Mediterranean flair.

Nutritional Overview (Per Serving)

• Calories: 306 kcal
• Protein: 20 g
• Carbs: 8 g
• Fat: 22 g
• Saturated Fat: 4 g
• Polyunsaturated Fat: 17 g
• Cholesterol: 52 mg
• Sodium: 445 mg
• Fiber: 3 g
• Sugar: 2 g

Dietary considerations: gluten-free, high-protein, nut-free, Mediterranean-inspired.

Make-Ahead & Meal Prep Tips

• Marinate Early: Chicken can be marinated up to overnight for deeper flavor.
• Storage: Refrigerate leftovers in an airtight container for up to 3 days.
• Reheating: Warm in the oven at 350°F until heated through.
• Freezing: Not recommended with mozzarella topping; add fresh cheese when reheating.

FAQs

1. Can I prepare this ahead of time?
Yes, marinate chicken up to overnight and assemble casserole ready to bake.

2. Can I use frozen vegetables?
Yes, thaw and drain any frozen veggies before adding to avoid excess moisture.

3. Can I make this dairy-free?
Yes, omit mozzarella or use a dairy-free cheese alternative.

4. Can leftovers be frozen?
Yes, without cheese topping. Add fresh cheese when reheating.

5. How do I ensure chicken stays tender?
Don’t overbake; 45 minutes at 350°F ensures juicy chicken.

Cooking Timeline

Step	Time
Prep Time	30 minutes
Cook Time	45 minutes
Total Time	1 hour 15 minutes
Servings	8

Serving Suggestions

• Serve straight from the casserole for family-style presentation.
• Pair with a crisp green salad or roasted vegetables.
• Garnish with additional fresh parsley or oregano for visual appeal.
• Plate individually for entertaining or holiday dinners.

Recipe Variations

1. Mediterranean Veggie Bake: Add extra zucchini, bell peppers, or artichokes.
2. Cheesy Herb Chicken: Mix mozzarella with Parmesan for richer flavor.
3. Lemon-Kalamata Twist: Add lemon zest and juice for a citrusy finish.
4. Spicy Greek Chicken: Sprinkle crushed red pepper over the top before baking.

Ingredient Spotlight

Kalamata Olives: Look for firm, plump olives with a deep purple color. Store in brine for freshness. Adds signature Greek flavor and saltiness to the casserole.

Artichoke Hearts: Provide tender, slightly tangy texture. Choose canned or jarred, well-drained to prevent watery casserole.

Pro Cooking Tips

• Coat casserole dish with nonstick spray to prevent sticking.
• Toss vegetables lightly to ensure even coating with dressing.
• Let chicken rest in dressing for maximum flavor penetration.
• Sprinkle cheese evenly for a golden, uniform melt.

Storage & Freezing Guide

• Refrigerator: 3 days in airtight container.
• Freezer: Not recommended with cheese; assemble with cheese fresh when reheating.
• Reheating: Oven at 350°F for even warming; microwave for smaller portions.

Nutrition Estimate Table (Per Serving)

Nutrient	Amount
Calories	306
Protein	20 g
Carbs	8 g
Fat	22 g
Fiber	3 g

Dietary notes: gluten-free, Mediterranean-inspired, nut-free, high-protein.

Expanded Conclusion

This Baked Greek Chicken Casserole is a delicious, fuss-free Mediterranean meal that’s perfect for busy weeknights or leisurely Sunday dinners. With tender chicken, roasted vegetables, briny olives, and melted mozzarella, it’s a dish that’s both comforting and full of flavor. Save it to your Pinterest boards, share with friends, and keep this one-dish meal in your rotation for a healthy, satisfying dinner. The combination of juicy chicken, sweet roasted peppers, and melty cheese is sure to delight your whole family. Make it tonight and enjoy a taste of the Mediterranean at home!

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