1 head lettuce
1 head broccoli
1 head cauliflower
1 (4 oz.) can real bacon bits
3/4 c. Parmesan cheese
1/4 c. sugar
1 - 1 1/2 c. Hellman's
1 purple onion, optional

Place ingredients in bowl, ending with Hellman's on top.

Mix together at the last minute.