Step 1

Preheat oven to 350 degrees.

Step 2

Saute onion in 1 tablespoon butter until translucent in a medium skillet.

Step 3

While the onion is cooking, in a large bowl, mix frozen hash browns, melted butter, cream of chicken soup, sour cream, grated cheese, and salt and pepper together until combined.

Step 4

Stir in onion and pour into a greased 9x13 casserole dish.

Step 5

Replace medium skillet to the heat and melt the remaining 4 tablespoons butter. Add in crushed corn flakes and stir to toast about 1 minute. Sprinkle over top casserole.

Step 6

Bake 40-45 minutes or until hot and bubbly. Serve hot.

Step 7

Adapted from several recipes, but most similar to this recipe.