Ingredients

• 3/4 pound ground beef
• 1 (1 ounce) package dry onion soup mix
• 1 cup minced red onion
• 1 1/2 teaspoons worcestershire sauce
• 2 teaspoons garlic, minced
• 1 tablespoon dijon mustard
• 2 ounces fontina cheese, cubed 3/4 cup bacon bits
• 1 tablespoon olive oil
• 1 cup minced red onion
• 6 ounces button mushrooms, sliced
• 1 teaspoon minced garlic
• 1 (14 ounce) can low-sodium beef broth
• 1 cup full-bodied red wine, such as zinfandel
• 1 (4 ounce) container crumbled gorgonzola cheese
• 2 kaiser rolls, split