Layer the lettuce, green onions, celery, water chestnuts and peas.
Top the above ingredients with 2 cups mayonnaise.
Mix the sugar, seasoned salt, garlic powder and parmesan cheese together.
Sprinkle this on top of the mayonnaise.
Refrigerate overnight.
Before serving sprinkle with 3 chopped hard boiled eggs and the crumbled bacon.
Optional garnish: tomatoes, radishes or mushrooms.