1 head lettuce, cut up
1 head cauliflower, cut up
1 med. onion, chopped
1 lb. bacon, fried crisp & drained
1 c. mayonnaise
1/2 c. sugar
1/2 c. Parmesan cheese

Mix first 3 ingredients, but do not stir until ready to serve. Mix mayonnaise and sugar. Just before serving add bacon, stir in dressing and Parmesan cheese.