You'll love this easy appetizer recipe! These ham and cheese sliders are made on PRETZEL Hawaiian rolls! Delicious! Made with cheddar cheese, black forest ham and oven baked with a mustard-butter glaze. A great snack, appetizer, lunch or serve for a party. These little sandiwches are so good thanks to the yummy combination of ham, cheese and pretzel rolls! Simple, quikc and easy recipe that can be made ahead. Must try!