Salisbury Steak Burgers Recipe - Food.com

Ingredients

• 1 lb ground sirloin
• 1/2 cup plain breadcrumbs
• 1 medium onion, finely chopped
• 2 garlic cloves, minced
• 1 large egg
• 1 teaspoon salt
• 1/2 teaspoon fresh coarse ground black pepper
• 1 tablespoon canola oil
• 3 tablespoons cornstarch
• 2 cups beef broth
• 8 ounces white mushrooms, sliced
• 1/4 cup ketchup
• 2 tablespoons Worcestershire sauce
• 1/2 teaspoon dry mustard
• 4 hamburger buns