1 head lettuce
1/2 c. chopped celery
1/2 purple onion, ringed
12 oz. sour cream
1/2 c. sugar
1/2 c. mayonnaise
1 tsp. vinegar
8 slices bacon, crumbled
Parmesan cheese

Tear lettuce in bite sized pieces and place in bowl. Layer celery and onion rings over lettuce. Mix sour cream, sugar, mayonnaise and vinegar and spread over salad. Sprinkle crumbled bacon and Parmesan cheese on top.