Roast Beef-and-Blue Cheese Sandwich

Ingredients

• 2 tablespoons nonfat mayonnaise
• 1 tablespoon Dijon mustard
• 1/4 teaspoon pepper
• 2 (2-ounce) onion sandwich buns, sliced
• 2 romaine lettuce leaves
• 4 tomato slices
• 4 green bell pepper rings
• 4 red onion slices
• 4 ounces thinly sliced lean deli roast beef
• 2 tablespoons (1/2 ounce) crumbled blue cheese

Preparation

1. Combine mayonnaise, mustard, and pepper, and stir well; spread on cut sides of sandwich buns.
2. Line the bottom half of each sandwich bun with a lettuce leaf; top each with tomato slices, bell pepper rings, onion slices, roast beef, blue cheese, and top halves of buns.