Step 1

Preheat the oven to 350 degrees F.

Step 2

Grease a 9 x 13-inch baking pan.

Step 3

Spread the hashbrown potatoes in the pan. Season with salt and pepper.

Step 4

Melt the butter in a medium bowl in the microwave.

Step 5

Add the onions, sour cream, and soup to the melted butter and mix together.

Step 6

Pour the soup mixture over the potatoes.

Step 7

Sprinkle the cheese on top.

Step 8

Bake for 45 minutes, or until all is completely warm and the cheese begins to melt.