Christmas Breakfast Casserole

8 slices bread
2 c. shredded co-jack cheese
1 1/2 lb. link sausage
6 eggs
2 1/2 c. milk
3/4 tsp. dry mustard
1 can cream of chicken soup
1/2 c. milk
1/2 tsp. salt

Brown sausage and cut into pieces. Cube bread and place in buttered 9 x 13" dish. Top with sausage and cheese. Beat eggs, combine with 2 1/4 cup milk and mustard. Pour over the top. Let stand overnight. Next day dilute soup with 1/2 cup milk. Pour over top and bake at 300 for 1 1/2 hours. Let stand 15 minutes before serving.