Created by KittenCal on May 2, 2014
Step 1: Set oven to broiler heat.
Step 2: In a medium bowl combine the crumbled cooked bacon, cheese, mustard and mayo; stir well to combine.
Step 3: Arrange the pumpernickel slices on a cookie sheet.
Step 4: Spoon the mixture on each slice of bread.
Step 5: Broil for about 5-6 minutes or until hot and bubbly.