Layered Tossed Salad
["1 head lettuce, chopped", "1 box uncooked frozen peas", "1 c. shredded Swiss cheese", "1 red onion, sliced and separated into rings", "1 c. mayonnaise"]
["Layer in a large bowl beginning with lettuce.", "Spread layer of mayo on very top, sealing edges.", "Cover with foil and refrigerate overnight.", "Toss just before serving."]
["head lettuce", "frozen peas", "Swiss cheese", "red onion", "mayonnaise"]