Dump-and-Bake Chicken Tzatziki Casserole Recipe
Introduction
This Dump-and-Bake Chicken Tzatziki Casserole is a simple, flavorful one-dish meal that combines tender chicken with fresh vegetables and creamy tzatziki sauce. Perfect for busy weeknights, it requires minimal prep and delivers Mediterranean-inspired comfort in every bite.

Ingredients
- 1 1/2 pounds boneless, skinless chicken breasts, cut into bite-sized pieces
- 1 cup Tzatziki sauce
- 1 cup cherry tomatoes, halved
- 1 cup zucchini, diced
- 1/2 cup red onion, chopped
- 1/2 cup feta cheese, crumbled
- 2 tablespoons olive oil
- 1 teaspoon dried oregano
- Salt and black pepper to taste
Instructions
- Step 1: Preheat the oven to 400°F (200°C). Lightly grease a 9×13-inch baking dish with olive oil.
- Step 2: Add the chicken pieces, cherry tomatoes, zucchini, and red onion to the prepared baking dish.
- Step 3: Drizzle with olive oil, sprinkle with dried oregano, salt, and pepper. Toss everything to combine well.
- Step 4: Spoon the Tzatziki sauce evenly over the casserole mixture. Gently mix to coat.
- Step 5: Bake uncovered for 30-35 minutes, or until the chicken is cooked through and vegetables are tender.
- Step 6: Remove from the oven, sprinkle with crumbled feta cheese, and serve hot.
Tips & Variations
- For extra flavor, marinate the chicken in the Tzatziki sauce for 30 minutes before assembling the casserole.
- Swap zucchini for eggplant or bell peppers based on your preference or seasonal availability.
- Add a handful of Kalamata olives for a salty, briny kick.
- Use low-fat feta or Greek yogurt-based tzatziki for a lighter version.
Storage
Store any leftovers in an airtight container in the refrigerator for up to 3 days. Reheat gently in the oven or microwave until warmed through. Avoid reheating multiple times to maintain moisture and flavor.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use frozen chicken for this casserole?
It’s best to use fresh or fully thawed chicken to ensure even cooking. If using frozen chicken, thaw it completely before assembling to avoid uneven cooking.
Is it necessary to mix the Tzatziki sauce into the casserole before baking?
Yes, mixing the Tzatziki sauce with the chicken and vegetables helps infuse the flavors throughout the dish while it bakes. You can add extra sauce on top when serving if desired.
PrintDump-and-Bake Chicken Tzatziki Casserole Recipe
This Dump-and-Bake Chicken Tzatziki Casserole is a simple and flavorful one-dish meal combining bite-sized chicken breasts with fresh vegetables and creamy tzatziki sauce. Baked to perfection with Mediterranean seasonings and topped with crumbled feta cheese, it offers a healthy and delicious dinner option that’s easy to prepare and sure to satisfy.
- Prep Time: 10 minutes
- Cook Time: 30-35 minutes
- Total Time: 40-45 minutes
- Yield: 4 servings 1x
- Category: Main Course
- Method: Baking
- Cuisine: Mediterranean
- Diet: Low Fat
Ingredients
Chicken and Vegetables
- 1 1/2 pounds boneless, skinless chicken breasts, cut into bite-sized pieces
- 1 cup cherry tomatoes, halved
- 1 cup zucchini, diced
- 1/2 cup red onion, chopped
Sauce and Seasoning
- 1 cup Tzatziki sauce
- 2 tablespoons olive oil
- 1 teaspoon dried oregano
- Salt and black pepper to taste
Topping
- 1/2 cup feta cheese, crumbled
Instructions
- Preheat Oven and Prepare Baking Dish: Preheat your oven to 400°F (200°C). Lightly grease a 9×13-inch baking dish with olive oil to prevent sticking and add flavor.
- Combine Ingredients in Dish: Place the bite-sized chicken pieces, halved cherry tomatoes, diced zucchini, and chopped red onion into the prepared baking dish.
- Season and Toss: Drizzle the olive oil over the mixture, then sprinkle with dried oregano, salt, and black pepper to taste. Toss everything together gently to ensure even coating of oil and spices.
- Add Tzatziki Sauce: Spoon the Tzatziki sauce evenly over the chicken and vegetable mixture. Gently mix to coat the ingredients without breaking them apart.
- Bake the Casserole: Place the dish uncovered in the preheated oven and bake for 30 to 35 minutes, or until the chicken is fully cooked through and the vegetables are tender.
- Add Feta and Serve: Remove the casserole from the oven and sprinkle the crumbled feta cheese evenly over the top. Serve hot for a delicious Mediterranean-inspired meal.
Notes
- Ensure chicken pieces are cut uniformly to guarantee even cooking.
- You can substitute Tzatziki sauce with homemade Greek yogurt mixed with cucumber and garlic if preferred.
- For added flavor, garnish with fresh parsley or dill before serving.
- This casserole reheats well and can be stored in the refrigerator for up to 3 days.
- Adjust seasoning according to preference; adding a squeeze of lemon juice before serving enhances freshness.
Keywords: chicken casserole, tzatziki chicken, Greek chicken bake, easy chicken dinner, Mediterranean casserole, healthy baked chicken

