Layer in 9x13 inch baking serving dish.

Layer of lettuce, 1 sm. head, cut up
Layer of peas, frozen, thawed and drained
Layer of celery, 1/2 cup, chopped
Layer of onion, 1 med., chopped

Sprinkle 2 tablespoons sugar over salad. Cover completely with Miracle Whip. Crumble 1/2 pound cooked crisp bacon over all. Sprinkle Parmesan cheese generously on top. Cover and chill overnight.