1 lg. loaf French bread
1 stick soft butter
2/3 c. mayonnaise
1 med. to lg. onion, finely chopped
1 tsp. lemon juice
2 tsp. prepared mustard
1/2 tsp. garlic powder
1/2 tsp. Worcestershire sauce
1/3 c. Parmesan cheese
Paprika

Slice bread lengthwise down the center of loaf. Spread inside generously with butter. Combine remaining ingredients and spread over buttered bread. Sprinkle top with paprika. Place on cookie sheet and bake at 350 degrees for 25-30 minutes or until toasty brown on both sides. Cut in wedges and serve hot.