Heat oven to 375F. Cut 3 unsliced loaves of sandwich bread into 2" slices. With cookie cutter or cardboard pattern, cut slices into rounds. Cut out center of each round, leaving 1/2" thick wall on bottom and sides. Brush tops and sides of rounds with melted butter or margarine. Bake on ungreased baking sheet 12 to 15 minutes or until golden brown.

About 15 croustades