Prepare your muffin tin by greasing it or lining with muffin liners.
In a large bowl, combine the ground beef, breadcrumbs, chopped onion, eggs, milk, Worcestershire sauce, garlic powder, salt, and pepper, mixing until just combined.
Scoop the meat mixture into each muffin cup, filling them about three-quarters full.
Brush your favorite barbecue sauce or ketchup on top of each muffin.
Bake for 25-30 minutes or until the internal temperature reaches 160°F (70°C).
Allow to cool for a few minutes before removing from the tin. Serve warm.
