01 - Preheat oven to 400°F and line a baking sheet with parchment paper.
02 - Combine ground beef, garlic, ginger, onion, sriracha, soy sauce, cilantro, egg, breadcrumbs, salt, and pepper in a large bowl. Mix until just combined without overworking.
03 - Shape mixture into 20 small meatballs and arrange on the prepared baking sheet.
04 - Bake for 15-18 minutes until cooked through and browned.
05 - Whisk together sriracha, honey, soy sauce, rice vinegar, and sesame oil in a small saucepan. Heat over medium-low, stirring until slightly thickened, about 3 minutes.
06 - Transfer baked meatballs to a large bowl, pour hot sauce over, and toss gently to coat.
07 - Arrange on serving platter and sprinkle with sesame seeds, green onions, and cilantro. Serve hot.