1 lb. loaf French bread, unsliced
1/2 c. butter, softened
1 c. mayonnaise
1/2 c. grated Parmesan cheese
1/2 c. finely chopped onion
1/2 tsp. Worcestershire sauce
Paprika

Heat oven to 300 degrees. Cut bread in half lengthwise; spread cut surfaces with butter. Place on ungreased cookie sheet. Bake at 300 degrees for 10 to 15 minutes. Combine mayonnaise, cheese, onion and Worcestershire sauce; spread over warm bread. Sprinkle with paprika. Broil 3 to 5 minutes.