2 T. nonfat mayonnaise
1 T. Dijon mustard
1/4 tsp. pepper
2 (2-oz.) onion sandwich buns, sliced
2 romaine lettuce leaves
4 tomato slices
4 green bell pepper rings
4 red onion slices
4 oz. thinly sliced lean deli roast beef
2 T. (1/2 oz.) crumbled blue cheese

Combine mayonnaise, mustard, and pepper, and stir well; spread on cut sides of sandwich buns. 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.

Yield: 2 servings
Calories: 309
Fat: 10.7g
Fiber: 2.5g