1 loaf French bread cut in half
1 c. mayonnaise
1/2 c. grated parmesan cheese
1/2 c. finely chopped onions
1/2 tsp. worcestershire sauce
paprika

Spread cut loaf with butter. Put in a 350°F oven for 8 minutes. Remove from oven. Mix remaining ingredients together and spread on bread. Sprinkle with paprika.

Place under broiler until it's puffy and light brown.