Step 1 of 11
Easy Creamy Chicken and Potato Casserole
Preheat the oven to 400°F.
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Step 2 of 11
Easy Creamy Chicken and Potato Casserole
Spray a 9x13-inch baking dish with nonstick cooking spray.
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Step 3 of 11
Easy Creamy Chicken and Potato Casserole
Dice the potatoes into 3/4-inch pieces and place in the baking dish. Finely mince the scallion and set aside.
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Step 4 of 11
Easy Creamy Chicken and Potato Casserole
Drizzle the olive oil over potatoes and season with the garlic powder, salt, and black pepper. Stir with a rubber spatula to coat potatoes in oil.
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Step 5 of 11
Easy Creamy Chicken and Potato Casserole
Roast the potatoes on middle rack of oven until tender but slightly underdone and just starting to brown, about 15 minutes.
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Step 6 of 11
Easy Creamy Chicken and Potato Casserole
Place the cooked chicken in a large mixing bowl. Season with the salt and black pepper, and add the garlic powder, paprika, minced scallion, and sour cream.
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Step 7 of 11
Easy Creamy Chicken and Potato Casserole
Remove potatoes from oven and transfer to the mixing bowl. Stir mixture with a rubber spatula until chicken and potatoes are thoroughly coated in sour cream.
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Step 8 of 11
Easy Creamy Chicken and Potato Casserole
Transfer the chicken and potato mixture to the baking dish and smooth into an even layer. Sprinkle the cheese over top.
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Step 9 of 11
Easy Creamy Chicken and Potato Casserole
Bake the casserole on middle rack of oven until cheese is melted and lightly golden brown, 12-15 minutes.
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Step 10 of 11
Easy Creamy Chicken and Potato Casserole
Check to see that casserole is done. Remove from oven or add time as needed.
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Step 11 of 11
Easy Creamy Chicken and Potato Casserole
Allow casserole to rest for 5 minutes before serving.