Fill bottom of lasagna dish with lettuce (about 1 head).
Sprinkle peas (1 can) on top of lettuce, using
as many or as few as ou like. Sprinkle with
chopped Spanish onion. Put layer of mayonnaise
on top to totally cover rest of ingredients.
Sprinkle liberally with Parmesan cheese (one small can).
Let set several hours before serving. Serves 12.