This Chicken Zucchini Casserole is a creamy, comforting dish that’s quick and healthy. Packed with tender zucchini and savory chicken, it’s perfect for busy weeknights and sure to be a family favorite.
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Easy Chicken Zucchini Casserole Recipe
Why You’ll Love This Chicken Zucchini Casserole
This chicken zucchini casserole is a delightful combination of flavors and textures. The succulent chicken blends beautifully with the tender zucchini, creating a dish that feels indulgent yet is simple to prepare. It’s a great way to sneak in some veggies for kids, making it both healthy and family-friendly. Plus, it’s versatile enough for meal prep, ensuring you have a delicious dinner ready in no time.

Ingredients for Chicken Zucchini Casserole
Here’s what you need for this delightful casserole:
- 6 ounces boxed stuffing mix
- ½ cup butter, melted
- 4 diced zucchini (approximately 4-5 cups bite-sized pieces)
- 3 boneless, skinless chicken breasts, cooked and diced
- ½ cup shredded mozzarella cheese (optional)
- 10 ½ ounces canned cream of chicken soup
- ½ onion, diced
- ½ cup sour cream
Kitchen Equipment Needed
To make this recipe, you’ll need:
- A 9 x 13 inch glass baking dish
- A large mixing bowl
- A spatula
- An oven preheated to 350°F
Step-by-Step Guide to Making Chicken Zucchini Casserole
Prepare the Stuffing Base
Start by preheating your oven to 350°F. In a large bowl, combine the stuffing mix and melted butter. This mixture will provide a lovely base for your casserole. Set aside ½ cup of it for topping later.
Combine Casserole Ingredients
Now, add the diced zucchini, cooked chicken, optional mozzarella cheese, cream of chicken soup, diced onion, and sour cream to the remaining stuffing mixture. Stir until everything is well combined, creating a creamy and savory filling.
Assemble and Bake the Casserole
Spread the mixture evenly in your prepared baking dish, ensuring it fills all the corners. Sprinkle the reserved stuffing mixture over the top for a delightful crunch. Bake uncovered for 40-50 minutes, or until the top is golden brown and the casserole is cooked through. Enjoy the enticing aroma wafting through your kitchen!
Tips for the Best Chicken Zucchini Casserole
Ingredient Substitutions and Variations
If you’re looking for some variations, consider using yellow squash instead of zucchini. You can also switch up the seasonings by adding garlic powder, parmesan cheese, or Italian seasoning to enhance the flavor. For added protein, feel free to substitute rotisserie chicken or chicken thighs, which work wonderfully in this recipe.
Make-Ahead and Storage Instructions
This casserole can be assembled ahead of time, making it perfect for busy days. Just refrigerate it until you’re ready to bake, allowing the zucchini to marinate in the flavors. Store any leftovers in an airtight container in the fridge for up to 4 days. When you’re ready to enjoy it again, simply reheat in the microwave.
Perfect Serving Suggestions
This dish pairs beautifully with fresh salads like a Seven Layer Green Salad or a light Pina Colada Fruit Salad. For a complete meal, consider serving it with Instant Pot Green Beans or Sheet Pan Garlic Breadsticks for that warm, comforting touch.
FAQs
What ingredients do I need for chicken zucchini casserole?
You need boxed stuffing mix, butter, diced zucchini, cooked chicken, mozzarella cheese (optional), cream of chicken soup, diced onion, and sour cream.
How do I make chicken zucchini casserole step by step?
Combine stuffing mix with butter, add zucchini, chicken, cheese, soup, onion, and sour cream. Spread in a baking dish, top with reserved stuffing, and bake at 350°F for 40-50 minutes.
Can I make chicken zucchini casserole ahead of time?
Yes, you can assemble the casserole and refrigerate it until you’re ready to bake it. This allows the flavors to meld beautifully.
How should I store leftover chicken zucchini casserole?
Store leftovers in an airtight container in the refrigerator for up to 4 days. Reheat in the microwave when ready to serve.
Related Recipes to Try
- Pesto Chicken Tortellini
- Teriyaki Chicken Bowl
- Low Calorie Chicken Burrito Bowl 2
- Fiesta Chicken Bowl
- Sticky Chicken Rice Bowls
- Chicken Fajita Bowl
Conclusion
This chicken zucchini casserole is not just a recipe; it’s a comforting dish that brings everyone together. Its creamy texture and savory flavor will make everyone ask for seconds. If you’re looking for more delicious ideas, don’t forget to check out Pinterest for endless inspiration and share your own culinary creations!

Delicious Chicken Zucchini Casserole Made Easy
Equipment
- large bowl
- 9 x 13 inch glass baking dish
- Nonstick cooking spray
Ingredients
- 6 ounces boxed stuffing mix
- ½ cup butter, melted
- 4 zucchini, diced approximately 4-5 cups bite-sized pieces
- 3 boneless, skinless chicken breasts, cooked and diced
- ½ cup shredded mozzarella cheese optional
- 10 ½ ounces canned cream of chicken soup
- ½ onion, diced
- ½ cup sour cream
Instructions
- Preheat your oven to 350°F. Combine the stuffing mix and melted butter in a large bowl, reserving ½ cup for the topping.
- Add the zucchini, cooked chicken, mozzarella cheese, cream of chicken soup, diced onion, and sour cream to the remaining stuffing mixture. Stir to combine.
- Spread the mixture evenly into a 9×13 inch glass baking dish that has been sprayed with nonstick cooking spray.
- Sprinkle the reserved stuffing mixture evenly over the top of the casserole.
- Bake uncovered for 40-50 minutes, or until the casserole is cooked through and the topping is golden brown.