Cheeseburger Onion Rings

Ingredients (12)

• 1 pound lean ground beef (90% lean)
• 1/3 cup ketchup
• 2 tablespoons prepared mustard
• 1/2 teaspoon salt
• 1 large onion
• 4 ounces cheddar cheese, cut into squares
• 3/4 cup all-purpose flour
• 2 teaspoons garlic powder
• 2 large eggs, lightly beaten
• 1-1/2 cups panko bread crumbs
• Oil for deep-fat frying
• Spicy ketchup, optional