This Rotisserie Chicken Zucchini Casserole is the ultimate solution for a busy weeknight dinner. I know the struggle of staring at a leftover rotisserie chicken and wondering how to make it exciting again. This recipe transforms simple ingredients into a creamy, cheesy meal that my family asks for by name.
I remember the first time I tried making a zucchini casserole. It was a watery disaster because I did not treat the squash right. After a few tries, I learned that medium zucchini and a quick rest period make all the difference. Now, this Rotisserie Chicken Zucchini Casserole is my go-to for using up that Costco chicken sitting in my fridge. It is comforting, cheesy, and on the table in under an hour.
Table of Contents
Ingredients for Rotisserie Chicken Zucchini Casserole
I always grab a rotisserie chicken from the store to save time, but you can easily use leftover cooked chicken breast. The key here is using firm, medium zucchini so the texture stays perfect.
• 2 cups shredded rotisserie chicken • 3 medium zucchini, sliced into 1/4-inch rounds • 1 onion, diced • 4 cloves garlic, minced • 1 cup shredded mozzarella cheese • 1/2 cup grated Parmesan cheese • 1/2 cup mayonnaise • 1/2 cup sour cream • 2 tablespoons olive oil • 1 teaspoon dried Italian seasoning • 1/2 teaspoon salt • 1/2 teaspoon black pepper • 1/2 teaspoon paprika • Pinch of red chili flakes (optional) • 2 tablespoons fresh parsley, chopped
Step-by-Step Instructions
I recommend getting all your ingredients prepped before you start. It makes the process so much smoother and less stressful.
Step 1: Preheat your oven to 375°F. Position the oven rack to the center for even browning.
Step 2: Heat olive oil in a large skillet over medium heat. Add the diced onion and cook for 3 to 4 minutes until it looks soft. Add the minced garlic and cook for another minute until it smells fragrant. Do not let the garlic brown or it will taste bitter.
Step 3: In a large bowl, toss together the shredded chicken, sliced zucchini, the cooked onion and garlic, mayonnaise, sour cream, Italian seasoning, salt, pepper, and paprika. Mix it well so every piece of zucchini is coated in the creamy sauce.
Step 4: Spray a 9×13-inch baking dish with cooking spray. Spread the chicken and zucchini mixture evenly into the dish. Press it down gently to make sure it is level.
Step 5: Sprinkle the mozzarella and Parmesan cheeses over the top. Bake for 25 to 30 minutes until the cheese is bubbly and golden brown. A fork should slide easily through the zucchini when it is done.
Step 6: Remove the casserole from the oven and let it rest for 5 to 10 minutes. This step is important because it lets the sauce thicken up so your servings hold their shape. Garnish with fresh parsley before serving.
What to Serve with Rotisserie Chicken Zucchini Casserole
This casserole is rich and creamy, so I love serving it with something fresh or crunchy to balance the plate.
Crusty Garlic Bread: This is perfect for soaking up the extra creamy sauce from the casserole. It adds a nice crunch that contrasts with the tender zucchini.
Crunchy Asian Slaw: I love making this Thai Chicken Wrap with Crunchy Asian Slaw as a side dish. The slaw is fresh and tangy, which cuts right through the richness of the cheese.
Bang Bang Chicken Pasta: If you want a carb-heavy comfort meal, try serving this alongside Bang Bang Chicken Pasta. The spicy, creamy sauce on the pasta pairs surprisingly well with the mild zucchini flavor.
Texas Roadhouse Smothered Chicken: If you are feeding a crowd with big appetites, you might want a second protein. The flavors in my Texas Roadhouse Smothered Chicken match the style of this casserole beautifully.
Simple Green Salad: A basic salad with a sharp vinaigrette dressing helps cleanse the palate between bites of the cheesy casserole.
Storage & Serving Tips
Store any leftovers in an airtight container in the refrigerator. They will stay fresh for up to three days, making this a great option for meal prep lunches.
To reheat, I suggest using the oven at 350°F for about 10 minutes. This helps keep the cheese texture nice, whereas the microwave can sometimes make it rubbery.
You can also assemble this casserole ahead of time. Put it together without the cheese, cover it, and keep it in the fridge for up to 24 hours before baking. Just add the cheese right before you put it in the oven.
FAQs
Can I use raw chicken instead of rotisserie?
Yes, you can. Just cook about 2 cups of diced chicken breast in the skillet before you add the onions. Make sure the chicken is fully cooked through before mixing it with the other ingredients.
How do I stop the casserole from being watery?
Make sure you use medium zucchini rather than the giant ones, as large zucchini hold more water. Also, do not skip the resting time after baking, as this allows the sauce to thicken properly.
Can I use a different cheese?
Absolutely. I have made this with Gruyere and even sharp cheddar. They all melt well and bring a slightly different flavor profile to the dish.
Conclusion
This Rotisserie Chicken Zucchini Casserole is a simple way to turn everyday ingredients into a comforting meal. It is easy to make and incredibly satisfying. Give this recipe a try tonight and enjoy a dinner that the whole family will love.
Rotisserie Chicken Zucchini Casserole
Ingredients
Equipment
Method
- Preheat oven to 375°F. Position the oven rack to the center.
- Heat olive oil in a large skillet over medium heat. Add diced onion and cook for 3 to 4 minutes until soft. Add minced garlic and cook for another minute until fragrant.
- In a large bowl, combine shredded chicken, sliced zucchini, cooked onion and garlic, mayonnaise, sour cream, Italian seasoning, salt, pepper, and paprika. Mix well to coat everything.
- Spray a 9×13-inch baking dish with cooking spray. Spread the mixture evenly into the dish and press down gently.
- Sprinkle mozzarella and Parmesan cheeses over the top. Bake for 25 to 30 minutes until cheese is bubbly and golden brown and zucchini is tender.
- Remove from oven and let rest for 5 to 10 minutes before serving. Garnish with fresh parsley.
