Step 1

Preheat oven to 350 degrees F.

Step 2

In a large bowl, mix potatoes sour cream, 2 cups of the cheddar cheese, cream of chicken soup, salt, pepper, and green onions. Stir until well combined.

Step 3

Crush Rice Chex.

Step 4

Pour potatoes into a 9x13-inch baking dish. Top with crushed Chex and remaining cheese. Dot butter over the top of everything. Bake 40-45 minutes, until potatoes are bubbling and top has browned. If topping begins to brown early, cover very loosely with foil.

Step 5

Remove from the oven and allow to cool for 5-10 minutes before serving.