Dilled Tuna and Egg Sandwiches

Ingridients of Dilled Tuna and Egg Sandwiches:

• 1  can (6 ounces) low-sodium chunk white tuna in water, drained
• 2  hard-cooked egg whites, chopped
• 1/3  cup nonfat sour cream
• 2  tbsp. chopped green onions
• 2  tsp. Dijon-style mustard
• 2  tsp. chopped fresh dill weed (optional)
• 6  slices Pepperidge Farm® 100% Natural Nine Grain Bread, toasted
•   Romaine lettuce leaves