Heat oven to 350ºF.
Cook sausage until brown, drain, crumble into shallow 9 x 13 inch baking dish.
Melt butter in skillet and brown potatoes.
Sprinkle potatoes over sausage.
Add cheese over potatoes.
Mix eggs, milk and seasonings, pour over cheese.
This recipe is best made the night before and baked just before serving.
Bake for 50 to 60 minutes.