1 head lettuce, broken up with fingers
1 head cauliflower, cut up in flowerettes
1 sweet onion, sliced
1 lb. bacon, fried crisp, then broken up
2 c. salad dressing (Hellmann's mayonnaise)
1/2 c. Parmesan cheese
1/4 c. sugar

In large bowl with tight cover, put ingredients in layers as they are listed; seal tight. Put in refrigerator overnight. Toss just before serving. Be sure you give it at least 12 hours.