01 -
In a large mixing bowl, gently combine ground beef, breadcrumbs, Parmesan cheese, egg, onion, garlic, parsley, oregano, salt, black pepper, soy sauce, and sesame oil until just mixed to avoid toughness.
02 -
Form the mixture into 2.5 cm (1 inch) diameter meatballs and place them on a tray.
03 -
Heat a tablespoon of olive oil in a large skillet over medium heat. Add meatballs without overcrowding and cook for 8-10 minutes, turning occasionally, until evenly browned and cooked through. Remove from heat and set aside.
04 -
Whisk mayonnaise, sriracha, soy sauce, sesame oil, and garlic powder in a small bowl until smooth.
05 -
Arrange meatballs on a plate, serve hot alongside the spicy mayo dip, and garnish with sesame seeds and chopped green onions if desired.