Ham and Egg-Salad Heroes

INGREDIENTS

• 6 ounces smoked ham, cut into 1/2-inch dice
• 2 tablespoons chopped fresh tarragon
• Mayonnaise (optional)
• 4 large romaine lettuce leaves
• 1 red bell pepper, thinly sliced into rings
• 1 pound purchased egg salad (about 2 cups)
• 4 hero rolls or kaiser rolls, split horizontally in half
• 1/2 cup thinly sliced green onions