Tuna Layered Salad
["4 c. shredded lettuce", "1 1/2 c. medium shell macaroni, cooked and drained", "2 c. chopped cucumber", "2 c. chopped tomatoes", "2 (6 1/2 oz.) cans tuna, drained and flaked", "1 (10 oz.) pkg. green peas, thawed and drained", "1 c. (4 oz.) shredded mild Cheddar cheese", "1 1/2 c. mayonnaise"]
["Layer in 3-quart serving bowl.", "Spread mayonnaise over salad, sealing to edge of bowl.", "Refrigerate several hours or overnight."]
["shredded lettuce", "shell macaroni", "cucumber", "tomatoes", "tuna", "green peas", "Cheddar cheese", "mayonnaise"]