01 -
Preheat oven to 400°F (200°C) and line a baking sheet with parchment paper.
02 -
In a large bowl, combine ground beef, breadcrumbs, egg, onion, garlic, Worcestershire sauce, salt, and pepper. Mix gently until just combined, avoiding overworking the meat.
03 -
Roll mixture into 1 1/2-inch meatballs and place on the prepared baking sheet.
04 -
Bake for 15-18 minutes, or until cooked through and internal temperature reaches 160°F.
05 -
While meatballs cook, warm the BBQ sauce in a skillet over low heat. Transfer cooked meatballs to the skillet and toss to coat thoroughly in sauce.
06 -
Place 4-5 meatballs into each sub roll. Top with shredded cheddar cheese and chopped bacon.
07 -
Arrange subs on a baking sheet and broil for 2-3 minutes, until cheese is melted and bubbly.
08 -
Garnish with fresh parsley if desired and serve hot.