Hot & Melty Oven Baked Ham & Swiss Sandwiches

READY IN: 30mins


  • 1
    (12 count) package kings hawaiian rolls
  • 18
    slices swiss cheese, 1/2 slice per sandwich
  • 16
    ounces sliced ham, per 24 sandwiches, I use a 1/2 # for 12 rolls. Use a good deli ham
  • 12
    cup butter, melted
  • 1
    teaspoon stone ground grainy mustard, use a good brown grainy mustard
  • 1
    teaspoon poppy seed (optional)
  • 2
    teaspoons onion flakes, dried
  • 2


  • On low heat, in a small sauce pan add butter, mustard, poppy seeds, onion flakes & Worcestershire sauce. Heat until butter is melted and onion hydrated, about 5 minutes. Remove from heat & set aside.
  • Slice all of the rolls in half and place the bottom halves in a 9x13 baking dish or foil lined baking sheet. Lightly brush butter sauce on bottom half of rolls, you don't need much.
  • Divide the shaved ham slices and cheese among all the bottom half of the sliced rolls. Cover with the top half of roll.
  • Spoon the buttery mustard sauce over the tops of the sandwiches. Cover with foil and refrigerate until ready to bake.
  • Let sit overnight or at least one hour.
  • Pre-heated oven to 350°F.
  • Bake on the middle oven rack, covered for 10 minutes, remove foil, bake for an additional 5 minutes (total of 15 minutes baking time) until warmed through and the cheese is gooey and melty. Add an additional minute or 2 if needed.