Open-Faced Broiled Roast Beef Sandwich

Ingredients

• 2 teaspoons coarse-ground mustard prepared
• 2 tablespoons mayonnaise 
• 4 slices provolone cheese 
• 0.5  onion red thinly sliced
• 1 pound deli roast beef sliced
• 4 servings salt and pepper to taste
• 2  hoagie buns split
• 2  tomatoes thinly sliced

Equipment

• baking sheet
• oven
• broiler
• toaster

Directions

1. Preheat oven on broiler setting.
2. Cut rolls in half, and toast in a bread toaster.
3. Place on a baking sheet.
4. Spread each half with mayonnaise and mustard.
5. Layer with roast beef, tomato, red onion, Provolone, salt and pepper.
6. Broil 3 to 6 inches from heat source for 2 to 4 minutes (keep a constant eye on it) until cheese is bubbly and is beginning to brown.