Chicken Luncheon Casserole - cooking recipe

Ingredients

8 boneless chicken breasts, cooked (Market Day chicken steaks work great!)
16 slices sandwich bread (crust cut off)
8 slices American cheese
6 eggs, beaten
3 c. milk
1 tsp. dry mustard
1 tsp. onion salt
margarine

Preparation

Grease a large baking dish with margarine.
Lay 8 slices of bread, flat.
Slice a chicken breast on each piece of bread.
Top with a slice of cheese and another slice of bread.