Crisp Greens with Tonnato Dressing

Ingredients

• 8  bell pepper rings green
• 8  bell pepper rings red
• 0.3 teaspoon pepper black freshly ground
• 4 teaspoons capers divided drained
• 1 cup cucumber peeled sliced
• 0.3 cup less-sodium chicken broth fat-free
• 2  garlic cloves chopped
• 1 Dash ground pepper red
• 1 tablespoon juice of lemon fresh
• 0.3 cup mayonnaise reduced-fat
• 2  plum tomatoes cut into (1/4-inch-thick) slices
• 0.3 cup onion red divided finely chopped
• 2 tablespoons red wine vinegar 
• 8 cups torn romaine lettuce 
• 0.5 teaspoon salt 
• 6 ounce tuna in olive oil light drained canned

Equipment

• bowl
• blender

Directions

1. To prepare dressing, combine the first 9 ingredients in a blender; process until smooth, scraping sides.
2. To prepare salad, combine lettuce, cucumber, green bell pepper,red bell pepper, and plum tomatoes in a large bowl; add dressing, tossing gently to coat.
3. Place about 2 1/2 cups salad on each of 4 plates.
4. Sprinkle each serving with 1 tablespoon onion and 1 teaspoon capers.