Mix ground beef, egg, panko, garlic, ginger, salt, pepper, and green onion in a bowl
Form into meatballs and place on a lined baking tray
Bake at 400°F (205°C) for 15–18 minutes until browned and fully cooked
In a pan, whisk soy sauce, honey, brown sugar, rice vinegar, and garlic powder
Simmer until thickened, then toss cooked meatballs in the glaze until glossy
Whisk peanut butter, soy sauce, honey, lime juice, sriracha, and water until smooth
Serve meatballs hot with spicy peanut dipping sauce
