2 c. lettuce, torn in sm. pieces
1/4 c. chopped celery
1 tbsp. chopped onions
1/2 c. frozen peas
2 tbsp. WW mayonnaise
2 tsp. Parmesan cheese
1 tsp. bacon bits

In medium bowl layer lettuce, celery, onions and peas. Spread top with mayonnaise, Parmesan cheese and bacon bits. Cover. Place in refrigerator for 2 hours before serving.