Surprise Sandwiches
["12 slices bread", "American cheese slices", "prepared mustard", "any of the following: ground ham, tuna, salmon, diced chicken or turkey", "4 eggs, beaten", "3 1/2 c. milk", "1/2 tsp. salt", "mushroom sauce (cream of mushroom soup diluted with cream or whole milk)"]
["Prepare the night before.", "Grease an 8 x 10-inch pan with butter or oleo.", "Place 6 slices of bread (crusts removed) in bottom of pan.", "Cover each slice with a slice of American cheese. Then spread each with prepared mustard and cover with any of the listed meats.", "Butter 6 more slices of bread and place on top, buttered side up."]
["bread", "American cheese", "mustard", "ground ham", "eggs", "milk", "salt", "mushroom sauce"]