Brown and crumble sausage; drain fat. Meanwhile, beat eggs with milk and seasonings. Stir in onion, sausage, cheese and then bread cubes. Pour mixture into greased 13" x 9" baking dish. Cover and refrigerate at least 12 hours.

Bake in preheated oven at 350 for 1 hour. If desired, sprinkle additional cheese over top before baking.