1. Heat oven to 350 degrees. 2. In skilled coated with cooking spray over medium heat, cook onions 10 minutes or until lightly browned. 3. Place rolls on work surface; fill with roast beef and mozzarella cheese. 4. Bake 20 minutes or until cheese is melted. 5. Remove from oven; top each with 1/2 cup onions and 2 tablespoons blue cheese dressing. 6. Place remaining bread top on sandwich. ---------------------------------------------------------------------------
Nutrition
Ingredients