4 doz. Melba or cracker rounds
3/4 c. catsup
(About) 2 oz. thinly sliced pepperoni
1 (4 oz.) pkgs. shredded Mozzarella cheese
Oregano

Heat oven to 400 degrees, spread rounds with catsup. Top with pepperoni slices. Sprinkle cheese and oregano over pepperoni. Place on ungreased baking sheet. Bake 3 to 5 minutes or cheese is melted. Makes 4 dozen.