– 1 (12-ounce) can water-packed tuna, drained – 3 hard-boiled eggs, diced – 2 tablespoons finely chopped celery – ¼ cup mayonnaise – 1 to 2 tablespoons dill relish – 1 teaspoon mustard – ¼ teaspoon celery seed – ¼ teaspoon seasoned salt – ¼ teaspoon black pepper