Open Faced Broiled Roast Beef Sandwich
Toasted bread topped with slices of roast beef and melted cheese, then broiled until bubbly. Hearty and flavorful, this open-faced sandwich is a great use for leftover roast.
Ingredients
- 2 hoagie buns, split
- 2 tablespoons mayonnaise
- 2 teaspoons prepared coarse- ground mustard
- 1 pound deli sliced roast beef
- 2 tomatoes, thinly sliced 1/2 red onion, thinly sliced 4 slices provolone cheese salt and pepper to taste

