Open-Faced Roast Beef Sandwich

“The amounts listed are only a guideline you may adjust to taste, make certain that the cheese is always on the top, this is a great way to use up cooked roast beef or deli roast beef --- FOR PARTY APPETIZERS instead of using buns replace with small party size pumpernickle bread slices that have been toasted, follow as directed only using smaller amounts.”

Ingredients Nutrition

  • 2 hoagie rolls, sliced and toasted
  • 8 teaspoons mayonnaise (use about 2 teaspoons per slice (or more)
  • 4 -8 teaspoons coarse ground mustard (use about 1-2 teaspoons per slice or to taste)
  • 1 lb thinly sliced cooked beef
  • 1 large tomatoes, thinly sliced
  • thinly sliced red onion (use as much as desired)
  • 4 -8 slices mozzarella cheese or 4 -8 slices provolone cheese
  • salt & freshly ground black pepper (to taste)


  1. Set oven to broiler heat.
  2. Place the toasted bun halves on a baking sheet.
  3. Lightly spread with mayonnaise then mustard.
  4. Layer as follows starting with roast beef then sliced tomato, red onion, salt, pepper the sliced cheese on top.
  5. Broil 3-6 inches from the heat for about 2-4 minutes or until the cheese has melted and is lightly browned (keep an eye on it this will brown fast).
  6. Delicious!

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