This is more than casserole, it's a pie! Prepare it for a special occasion and serve it with toasted bread.
For 10 people
Place bread in well-buttered 9 x 13 in. baking dish. Sprinkle with cheese.
Combine the next six ingredients. Pour evenly over the bread and cheese. Layer sausage over top. Cover and chill overnight.
Preheat oven to 325 degrees. Bake uncovered for about 1 hour. Tent with foil if top begins to brown too quickly.