01 - Preheat oven to 400°F. Line a baking sheet with parchment paper or foil.
02 - In a large bowl, combine ground beef, breadcrumbs, Parmesan, milk, egg, garlic, onion, salt, pepper, smoked paprika, and parsley. Mix until just combined without overmixing.
03 - Form the mixture into 1.5-inch balls and arrange on the prepared baking sheet.
04 - Bake for 18-20 minutes until meatballs are cooked through and lightly browned.
05 - While meatballs bake, combine barbecue sauce, honey, Worcestershire sauce, and hot sauce in a saucepan over medium heat. Stir and simmer for 3-4 minutes until heated through.
06 - Transfer baked meatballs to a large bowl. Pour warm BBQ sauce over them and toss gently to coat.
07 - Serve hot with toothpicks or as sliders.