Dump-and-Bake Chicken Tzatziki Casserole Recipe
Introduction
This Dump-and-Bake Chicken Tzatziki Casserole is a simple and flavorful one-dish meal perfect for busy weeknights. Juicy chicken pieces are baked with fresh vegetables and topped with creamy tzatziki and tangy feta cheese. It’s an easy way to enjoy Mediterranean-inspired flavors without fuss.

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
- Use homemade tzatziki for a fresher taste or swap for store-bought to save time.
- Add sliced bell peppers or spinach for extra vegetables and color.
- Try fresh oregano if available for a brighter herb flavor.
- Serve with warm pita or crusty bread to soak up the sauce.
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 keep the chicken juicy and the vegetables fresh.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use chicken thighs instead of breasts?
Yes, boneless, skinless chicken thighs work well for this recipe and will add extra moisture and flavor.
Is this casserole freezer-friendly?
It can be frozen after baking. Cool completely, then store in a freezer-safe container for up to 2 months. Thaw overnight in the refrigerator before reheating.
PrintDump-and-Bake Chicken Tzatziki Casserole Recipe
A flavorful and easy Dump-and-Bake Chicken Tzatziki Casserole featuring tender chicken, fresh vegetables, and creamy tzatziki sauce baked together and topped with crumbled feta cheese. Perfect for a quick, Mediterranean-inspired weeknight dinner.
- Prep Time: 10 minutes
- Cook Time: 35 minutes
- Total Time: 45 minutes
- Yield: 4 servings 1x
- Category: Main Course
- Method: Baking
- Cuisine: Mediterranean
- Diet: Gluten Free
Ingredients
Protein
- 1 1/2 pounds boneless, skinless chicken breasts, cut into bite-sized pieces
Vegetables & Produce
- 1 cup cherry tomatoes, halved
- 1 cup zucchini, diced
- 1/2 cup red onion, chopped
Dairy
- 1 cup Tzatziki sauce
- 1/2 cup feta cheese, crumbled
Seasonings & Oils
- 2 tablespoons olive oil
- 1 teaspoon dried oregano
- Salt and black pepper to taste
Instructions
- Preheat and prepare dish: Preheat your oven to 400°F (200°C). Lightly grease a 9×13-inch baking dish with olive oil to ensure the casserole doesn’t stick and gets a nice golden crust.
- Add main ingredients: Place the bite-sized chicken pieces, halved cherry tomatoes, diced zucchini, and chopped red onion into the prepared baking dish evenly spreading them out.
- Season and toss: Drizzle the olive oil over the mixture, sprinkle with dried oregano, and season with salt and black pepper to taste. Gently toss everything together to combine all the flavors evenly.
- Coat with Tzatziki sauce: Spoon the Tzatziki sauce evenly over the chicken and vegetable mixture, then gently mix again to coat all the ingredients well with the creamy sauce.
- Bake the casserole: Place the baking dish uncovered in the oven and bake for 30 to 35 minutes. Bake until the chicken is fully cooked through and the vegetables are tender but still hold shape.
- Finish and serve: Remove the casserole from the oven, sprinkle the top with crumbled feta cheese, and serve hot for a delicious, comforting meal.
Notes
- Use a food thermometer to ensure chicken reaches 165°F (74°C) for safety.
- Feel free to substitute vegetables according to preference, like bell peppers or eggplant.
- Tzatziki sauce can be store-bought or homemade for more freshness.
- Leftovers can be refrigerated up to 3 days and reheated in the oven or microwave.
- For a spicier version, add a pinch of red pepper flakes with the oregano.
Keywords: chicken casserole, tzatziki casserole, Mediterranean chicken, easy chicken bake, healthy chicken dinner, baked chicken and vegetables, feta chicken casserole

