Step 1 of 6
Easy Parmesan Chicken Casserole
Preheat the oven to 375°F. Spray a 9x13-inch baking dish with nonstick cooking spray. Set aside.
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Step 2 of 6
Easy Parmesan Chicken Casserole
Place the chicken in a large mixing bowl and season with the black pepper and garlic powder. Add the mayonnaise, Greek yogurt, and Parmesan cheese. Mix with a rubber spatula until thoroughly combined.
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Step 3 of 6
Easy Parmesan Chicken Casserole
Transfer the chicken mixture to the prepared baking dish and smooth it into an even layer. Sprinkle the Parmesan cheese evenly over the top.
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Step 4 of 6
Easy Parmesan Chicken Casserole
Bake the casserole on middle rack of oven until the cheese is lightly browned and the dish bubbles at the edges, 20-25 minutes.
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Step 5 of 6
Easy Parmesan Chicken Casserole
Check to see that casserole is done. Remove from oven or add time as needed.
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Step 6 of 6
Easy Parmesan Chicken Casserole
Allow casserole to rest for 10 minutes before serving.