Onion Puffs On French Rounds
["1/2 c. chopped onion (purple is best)", "salt and pepper", "1 tsp. Worcestershire sauce", "3/4 c. mayonnaise", "1/3 c. grated Parmesan cheese", "French rolls"]
["Cut small French rolls into slices and mound mixture of remaining ingredients onto each slice.", "Place under broiler until puffy and slightly browned."]
["onion", "salt", "Worcestershire sauce", "mayonnaise", "Parmesan cheese", "French rolls"]