Slice an apple and use a cookie cutter, shot glass or similarly-sized circular item to cut out 3/4" pieces. Set aside.
1 apple
Remove chocolate cups from freezer and add about 1/2 tablespoon of peanut butter mixture in the middle. Place one apple slice into center, cover with another 1/2 tablespoon of peanut butter. Cover top completely with remaining melted chocolate.
Place in fridge for 30 minutes to set, then peel off the wrappers and enjoy!