1. Cut 12 slices bread into rounds. Crimp edges. Cut ham and cheese into rounds.
2. Spread 1 teaspoon mustard on each bread round.
3. To assemble four triple decker club-wiches, layer one cheese round and ham
round on top of four bread rounds. Then top each with a second bread round,
cheese round and ham round. Invert remaining bread rounds, mustard side down for
top. Cut in half or quarters.