01 - Preheat oven to 400°F. Line a baking sheet with parchment paper or lightly grease with olive oil.
02 - In a large bowl, combine ground turkey, breadcrumbs, Parmesan, egg, milk, green onions, garlic, oregano, salt, pepper, and parsley. Mix gently until just combined.
03 - With damp hands, form the mixture into 1-inch balls and place them evenly on the prepared baking sheet.
04 - Lightly brush or spray tops with olive oil. Bake for 18–20 minutes, turning once halfway, until golden and cooked through.
05 - Meanwhile, in a small saucepan over medium heat, whisk together barbecue sauce, honey, soy sauce, vinegar, and Dijon mustard. Simmer for 3–4 minutes until thickened.
06 - Transfer baked meatballs to a large bowl. Pour warm glaze over the meatballs and toss gently to coat.
07 - Transfer to a serving platter, garnish with extra chopped parsley if desired, and serve warm.