Toasty Cheese Bake
["8 slices white bread", "butter or margarine", "1/2 lb. ground beef", "2 Tbsp. chopped celery", "1 Tbsp. prepared mustard", "1/2 tsp. salt", "1/8 tsp. dry mustard", "1 c. shredded process sharp American cheese (about 4 oz.)", "1 egg, slightly beaten", "1/2 tsp. salt", "dash of pepper"]
["Heat oven to 350\u00b0.", "Toast bread; butter both sides.", "Cook and stir meat, onion, celery, prepared mustard and salt until meat is brown and onion is tender.", "Alternate layers of toast, meat mixture and cheese in greased baking pan (9 x 9 x 2-inch).", "Mix remaining ingredients; pour over layers in pan.", "If you wish, sprinkle with paprika.", "Bake, uncovered, for 30 to 35 minutes. Makes 4 to 6 servings."]
["white bread", "butter", "ground beef", "celery", "mustard", "salt", "dry mustard", "American cheese", "egg", "salt", "pepper"]