1 head lettuce, chopped
1 head cauliflower, cut in small pieces
1 onion, sliced in rings
1 lb. bacon, fried crisp and crumbled
1/2 c. Parmesan cheese
1/2 c. mayonnaise
1 tbsp. bacon drippings
1/2 c. sour cream
1 tbsp. sugar

Layer lettuce, cauliflower, onion, bacon and cheese. Mix mayonnaise, bacon drippings and sour cream; pour over salad. Sprinkle with sugar. Cover and refrigerate overnight.