Ingredients:

• 1/2 cup shredded Cheddar cheese
• 1 tablespoon grated Parmesan cheese
• 1 small onion, chopped
• 1 egg
• 1 tablespoon ketchup
• 1 tablespoon Worcestershire sauce
• 1/2 teaspoon salt
• 1/8 teaspoon pepper
• 1 pound ground beef
• 6 slices bacon
• 6 hamburger buns, split

Directions:

• Preheat a grill for high heat.
• In a large bowl, mix together the Cheddar cheese, Parmesan cheese, onion, egg, ketchup, Worcestershire sauce, salt and pepper. Crumble in the ground beef, and mix together by hand. Form into 6 patties, and wrap a slice of bacon around each one. Secure bacon with toothpicks.
• Place patties on the grill, and cook for 5 minutes per side, or until well done. Remove toothpicks before serving on hamburger buns.