Sausage Casserole

Recipe is from Mazie.

8 slices bread
2 cups grated cheese
1 lb. sausage, browned
1 ¾ cups milk
4 eggs, slightly beaten
¾ tsp dry mustard
1 tsp salt
1 can cream of mushroom soup
¾ cup milk

Butter the bottom of a 9 x 12-inch glass baking pan. Remove crusts from bread. Cube bread and place in bottom of baking pan. Sprinkle cheese and sausage over bread. Mix together 1 ¾ cups milk, eggs, dry mustard, and salt and pour over bread and sausage mixture. Cover with plastic wrap. Let stand in refrigerator over night. Before baking mix 1 can cream of mushroom soup with ¾ cup milk and pour over everything. Bake 1 ½ hours at 275 degrees. Chopped cooked chicken or ham may be used instead of sausage.