Sea Gull'S Droppings
["1 c. chopped onions", "1 c. mayonnaise (not low-fat!)", "1 (8 oz.) can drained mushrooms", "1 (8 oz.) Swiss cheese, shredded"]
["Mix and put in a 9-inch pie plate.", "Bake at 350\u00b0 for 20 minutes or until it bubbles.", "(Does not brown.)", "Serve with crackers."]
["onions", "mayonnaise", "mushrooms", "Swiss cheese"]