Ingredient:

• 2 cups cooked chicken breasts, shredded or chopped
• 2/3 cup sliced celery
• 1/2 cup mayonnaise
• 1 tablespoon Dijon mustard
• 1 tablespoon snipped fresh dill
• 1/4 teaspoon salt
• 1/4 teaspoon pepper
• 8 slices white bread
• Lettuce leaves, optional