1 head lettuce
2 stalks celery
1 sweet onion
1/2 lb. crisp bacon
Parmesan cheese
1 c. sour cream
1/2 c. sugar
1/2 c. mayonnaise
1/4 c. vinegar

Break lettuce into bite size pieces. Place in bottom of shallow pan (9 x 12). Add a layer of sliced onion. Mix mayonnaise, vinegar, sour cream, and sugar. Then pour over top. Sprinkle bacon over salad. Sprinkle with Parmesan cheese. Cover with foil and refrigerate 3 hours.