Ingredients

• 6 hard-boiled eggs, peeled and chopped
• 2 tablespoons minced red onion
• 1/2 stalk celery, finely chopped
• 1/4 cup reduced-fat mayonnaise
• 1 tablespoon chopped fresh dill
• 1/2 teaspoon dry mustard
• 2 teaspoons lemon juice
• 1/4 teaspoon kosher salt
• 1/4 teaspoon freshly ground black pepper
• 8 slices hearty bread
• Lettuce leaves
• Pickles, for serving