Chicken Zucchini Casserole is a hearty and flavorful dish that combines tender chicken, fresh zucchini, and a creamy cheese sauce, all baked together for a comforting meal. This casserole is perfect for busy weeknights or family gatherings, and it’s a great way to incorporate vegetables into your diet while satisfying your cravings!
Ingredients List
For the Casserole
- 2 cups cooked chicken, shredded or diced (rotisserie chicken works well)
- 4 medium zucchinis, sliced (about 4 cups)
- 1 cup shredded cheddar cheese (or a cheese blend)
- 1 cup cream of chicken soup (or homemade version)
- 1/2 cup sour cream (or Greek yogurt)
- 1/2 cup milk (or plant-based milk)
- 1/2 cup onion, finely chopped
- 1 teaspoon garlic powder
- 1 teaspoon dried oregano
- Salt and pepper to taste
- 1/4 teaspoon paprika (optional)
For the Topping
- 1 cup breadcrumbs (panko or regular)
- 1/2 cup grated Parmesan cheese
- 2 tablespoons butter, melted (or olive oil for a vegan option)
- 1 teaspoon dried parsley (optional)
Timing
Preparing Chicken Zucchini Casserole takes about 15 minutes for prep and 30-35 minutes for baking.
Step-by-Step Instructions
Step 1: Preheat the Oven
- Preheat Oven: Preheat your oven to 350°F (175°C).
- Prepare Baking Dish: Grease a 9×13-inch baking dish with cooking spray or butter.
Step 2: Prepare the Zucchini
- Sauté Zucchini: In a large skillet over medium heat, add a little olive oil. Sauté the sliced zucchini for about 5-7 minutes until slightly tender. Season with salt and pepper. Drain excess moisture if necessary and set aside.
Step 3: Mix the Casserole Filling
- Combine Ingredients: In a large mixing bowl, combine the cooked chicken, sautéed zucchini, shredded cheddar cheese, cream of chicken soup, sour cream, milk, chopped onion, garlic powder, oregano, salt, pepper, and paprika (if using). Mix well until all ingredients are evenly incorporated.
Step 4: Assemble the Casserole
- Transfer to Baking Dish: Pour the chicken and zucchini mixture into the prepared baking dish and spread it out evenly.
Step 5: Prepare the Topping
- Mix Topping Ingredients: In a small bowl, combine the breadcrumbs, grated Parmesan cheese, melted butter (or olive oil), and dried parsley (if using). Mix until the breadcrumbs are evenly coated.
Step 6: Top and Bake
- Add Topping: Sprinkle the breadcrumb mixture evenly over the casserole.
- Bake: Place the baking dish in the preheated oven and bake for 30-35 minutes, or until the top is golden brown and the casserole is bubbly.
Step 7: Serve
- Cool and Serve: Remove from the oven and let cool for a few minutes before serving. Enjoy your Chicken Zucchini Casserole warm!

Nutritional Information
Here’s a quick glance at the nutritional profile of Chicken Zucchini Casserole (per serving, assuming 8 servings):
| Nutrient | Amount per Serving |
|---|---|
| Calories | 300 |
| Protein | 20g |
| Fat | 15g |
| Carbohydrates | 20g |
| Fiber | 2g |
Tips for Customization
- Cheese Variations: You can use different types of cheese, such as mozzarella, Monterey Jack, or a vegan cheese alternative for a different flavor profile.
- Add-Ins: Consider adding cooked rice, quinoa, or other vegetables like bell peppers or spinach for added nutrition and texture.
- Spice It Up: Add a pinch of cayenne pepper or hot sauce to the mixture for a bit of heat.
Storing Tips for the Recipe
Chicken Zucchini Casserole can be stored in an airtight container in the refrigerator for up to 4 days. Reheat in the oven or microwave before serving.
Conclusion
Chicken Zucchini Casserole is a delicious and satisfying dish that combines the flavors of tender chicken and fresh zucchini in a creamy, cheesy sauce. Perfect for any occasion, this casserole is sure to be a hit at your table!
FAQs
Can I make this casserole ahead of time?
Yes! You can prepare the casserole in advance, cover it, and refrigerate it before baking. Just add a few extra minutes to the cooking time if baking from cold.
What can I serve with Chicken Zucchini Casserole?
This casserole pairs well with a fresh salad, garlic bread, or steamed vegetables.
Can I freeze the casserole?
Yes! You can freeze the unbaked casserole for up to 3 months. Just thaw it in the refrigerator overnight and bake as directed.
Chicken Zucchini Casserole Recipe
Ingredients
- For the Casserole
- • 2 cups cooked chicken, shredded or diced (rotisserie chicken works well)
- • 4 medium zucchinis, sliced (about 4 cups)
- • 1 cup shredded cheddar cheese (or a cheese blend)
- • 1 cup cream of chicken soup (or homemade version)
- • 1/2 cup sour cream (or Greek yogurt)
- • 1/2 cup milk (or plant-based milk)
- • 1/2 cup onion, finely chopped
- • 1 teaspoon garlic powder
- • 1 teaspoon dried oregano
- • Salt and pepper to taste
- • 1/4 teaspoon paprika (optional)
- For the Topping
- • 1 cup breadcrumbs (panko or regular)
- • 1/2 cup grated Parmesan cheese
- • 2 tablespoons butter, melted (or olive oil for a vegan option)
- • 1 teaspoon dried parsley (optional)
Instructions
Step 1: Preheat the Oven
- Preheat your oven to 350°F (175°C).
- Grease a 9x13-inch baking dish with cooking spray or butter.
Step 2: Prepare the Zucchini
- In a large skillet over medium heat, add a little olive oil.
- Sauté the sliced zucchini for about 5–7 minutes until slightly tender.
- Season with salt and pepper.
- Drain excess moisture if necessary and set aside.
Step 3: Mix the Casserole Filling
- In a large mixing bowl, combine the cooked chicken, sautéed zucchini, shredded cheddar cheese, cream of chicken soup, sour cream, milk, chopped onion, garlic powder, oregano, salt, pepper, and paprika (if using).
- Mix well until all ingredients are evenly incorporated.
Step 4: Assemble the Casserole
- Pour the chicken and zucchini mixture into the prepared baking dish and spread it out evenly.
Step 5: Prepare the Topping
- In a small bowl, combine the breadcrumbs, grated Parmesan cheese, melted butter (or olive oil), and dried parsley (if using).
- Mix until the breadcrumbs are evenly coated.
Step 6: Top and Bake
- Sprinkle the breadcrumb mixture evenly over the casserole.
- Place the baking dish in the preheated oven and bake for 30–35 minutes, or until the top is golden brown and the casserole is bubbly.
Step 7: Serve
- Remove from the oven and let cool for a few minutes before serving.
- Enjoy your Chicken Zucchini Casserole warm!
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