1. Cut tops off bell peppers; remove and discard seeds and membranes. Cook bell peppers in boiling water 5 minutes; drain. Rinse with cold water until cool, and drain. Cut bell peppers into 1/4-inch-wide slices. Set aside.
2. Preheat broiler.
3. Spoon tuna evenly over toasted bread slices; arrange 2 tablespoons watercress over each. Drizzle 1/2 teaspoon Italian dressing over each sandwich. Top evenly with bell pepper slices, and sprinkle evenly with black pepper. Top with cheese strips. Broil 2 to 3 minutes or until cheese melts. Serve warm with assorted fresh vegetables, if desired (vegetables not included in analysis).
carbo rating: 12