In a medium bowl, whisk the mayonnaise, lemon juice, 1/2 teaspoon salt, and 1/4 teaspoon pepper.
Fold in the shrimp, celery, and chives, if desired.
Line the buns with the lettuce and fill with the shrimp mixture. Serve with the potato chips.
NUTRITION PER SERVING
CALORIES 586(42% from fat); FAT 27g (sat 6g); CHOLESTEROL 337mg; CARBOHYDRATE 42g; SODIUM 1145mg; PROTEIN 43g; FIBER 3g; SUGAR 3g