Break 2 whole graham crackers in half. Top each half with 1 caramel, and microwave each at HIGH 20 seconds or until caramel starts to melt. Remove from microwave, and top each cracker with 3 Granny Smith apple slices.
Peanut Butter-Apple Grahams: Spread each graham cracker half with 1 tablespoon peanut butter, and microwave at HIGH for 10 seconds. Remove from microwave, and top each with 3 apple slices.