1/2 c. butter, softened
2 tbsp. mayonnaise
2 oz. jar mushrooms, drained
2 tbsp. chopped green onion
1 loaf French bread
4 oz. Mozzarella cheese, shredded

Combine butter, mayonnaise, mushrooms and green onion. Slice bread in half lengthwise and spread mixture on bottom half of bread. Sprinkle with cheese. Top with the other half of bread and wrap loaf well with heavy duty foil. Grill over medium coals for 20 minutes, turning occasionally.