Open-Faced Broiled Roast Beef Sandwich

beef, buns, tomatoes, onion, mayonnaise, mustard

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

Directions for Open-Faced Broiled Roast Beef Sandwich Recipe