01 - Set oven to 400°F and line a baking sheet with parchment paper.
02 - In a large mixing bowl, gently blend ground beef, egg, breadcrumbs, garlic, ginger, Sriracha, soy sauce, sesame oil, spring onions, salt, and pepper until just combined.
03 - Shape mixture into 20 evenly sized meatballs and arrange them on the prepared baking sheet.
04 - Bake for 15 to 18 minutes until fully cooked and browned.
05 - While baking, whisk together Sriracha, honey, soy sauce, rice vinegar, and sesame oil in a small saucepan over medium heat. Simmer for 2 to 3 minutes until slightly thickened.
06 - Transfer cooked meatballs to a large bowl, pour warm glaze over them, and toss gently to coat evenly.
07 - Plate hot meatballs and garnish with sesame seeds and sliced spring onions if desired.