Crumble sausage into medium skillet. Cook over medium heat until browned. Drain.

Preheat oven to 425°F. Place hash browns on a cookie sheet and bake for 20 minutes.

In a medium bowl, combine eggs, milk and cheese. Stir to blend.

Add sausage and blend until evenly coated.

Remove hash browns from oven.

In a greased 13x9 baking pan, spread hash browns evenly across bottom.

Pour egg mixture into dish over hash browns

Cover and chill for 8 hours

Preheat oven to 350

Cover and bake casserole for 45 to 60 minutes.

Uncover and reduce heat to 325.

Bake for an additional 30 minutes or until casserole is set.