01 - 
                Preheat oven to 375°F (190°C). Line a baking sheet with parchment paper.
              
              
              
                02 - 
                In a large bowl, mix ground beef, breadcrumbs, milk, egg, onion, garlic, salt, pepper, and Worcestershire sauce until well combined.
              
              
              
                03 - 
                Flatten a portion of the mixture, add cheddar cheese in the center, and form into a ball. Repeat for remaining mixture.
              
              
              
                04 - 
                Mix ketchup and mustard in a small bowl. Brush mixture over meatloaf bites.
              
              
              
                05 - 
                Bake for 25-30 minutes until cooked through and tops are caramelized. Garnish with parsley.