Instructions

  1. Cut bread in half; carefully hollow out bottom and top of loaf, leaving 3/4" shell (discard removed bread or save for another use).
  2. In a small bowl, combine the mayo, horseradish, and mustard.
  3. Spread butter on cut sides of bread.
  4. In the shell layer ham, 1/3 of the mayo mixture, Monterey Jack cheese, turkey, 1/3 mayo mixture, cheddar cheese, roast beef, remaining mayo mixture, tomato, pickle, onion and lettuce. Replace top.
  5. Wrap tightly in plastic wrap; cover and refrigerate for at least 1 hour.