This open-faced version of a grilled cheese sandwich is broiled and topped with spinach, cucumber, and red onion.
Preheat broiler. Place the toasted bread on a large baking sheet. Lightly spread one side of each bread slice with mustard. Top mustard-spread sides with cucumber, spinach and onion. Sprinkle with cheese.
Broil 3 to 4 inches from heat for 3 to 4 minutes or until cheese is melted.
1 fat, 1 medium-fat protein, 1 starch, 1 vegetable