01 -
Preheat oven to 400 degrees Fahrenheit (200 degrees Celsius). Line a baking sheet with parchment paper.
02 -
In a large bowl, combine ground beef, breadcrumbs, Parmesan, egg, onion, garlic, parsley, oregano, salt, pepper, soy sauce, and sesame oil. Mix gently until incorporated, avoiding overmixing.
03 -
Form mixture into 1-inch meatballs and place evenly on the prepared baking sheet.
04 -
Bake for 20 to 25 minutes, until golden brown and fully cooked through.
05 -
While meatballs bake, whisk together mayonnaise, Sriracha, soy sauce, sesame oil, and garlic powder in a small bowl. Set aside.
06 -
If desired, brush cooked meatballs with a Korean BBQ glaze prepared from gochujang, brown sugar, soy sauce, minced garlic, vinegar, and sesame oil.
07 -
Serve hot meatballs garnished with scallions and sesame seeds, accompanied by the spicy mayo dip.