Dot'S Hors D'Oeuvres(My Mother-In-Law'S Favorite Snack)  
["1 c. mayonnaise", "8 oz. shredded Swiss cheese", "1 small onion, grated", "4 strips cooked bacon, crumbled", "1 small can chopped olives", "1 loaf sliced Italian bread"]
["Mix all ingredients.", "Spread on sliced bread.", "Place under broiler until cheese bubbles and is just slightly browned."]
["mayonnaise", "Swiss cheese", "onion", "bacon", "olives", "Italian bread"]