Salad:

1 head lettuce
1 head cauliflower
1 medium onion
1/2 lb. bacon

Cut up lettuce. Chop cauliflower and onion. Fry bacon until crisp. Crumble into bits. Sprinkle over lettuce mixture.

Dressing:

1 c. mayonnaise
1/4 c. sugar
1/4 c. Parmesan cheese
2 tbsp. vinegar

Mix together: mayonnaise, sugar, cheese and vinegar. Pour over lettuce mixture.

Let set 4 to 5 hours before serving. Toss, then serve.