Onion Puffs On French Rounds

Ingredients
- 12 c chopped onion purple is best
- salt and pepper
- 1 tsp Worcestershire sauce
- 34 c mayonnaise
- 13 c grated Parmesan cheese
- French rolls
Directions
- Cut small French rolls into slices and mound mixture of remaining ingredients onto each slice
- Place under broiler until puffy and slightly browned