01 - Set oven to 400°F and line a baking sheet with parchment paper.
02 - In a large bowl, mix ground beef, minced garlic, grated ginger, chopped green onions, egg, panko breadcrumbs, Sriracha, soy sauce, sesame oil, salt, and black pepper until just incorporated.
03 - Shape the mixture into 20 to 24 small meatballs and arrange them spaced evenly on the prepared baking sheet.
04 - Cook meatballs in the preheated oven for 15 to 18 minutes until they are cooked through and lightly browned.
05 - While meatballs bake, combine Sriracha, honey, soy sauce, rice vinegar, and sesame oil in a small saucepan over medium heat. Whisk and simmer for 2 to 3 minutes until slightly thickened.
06 - Transfer meatballs to a large bowl and gently toss with the prepared sauce to coat evenly.
07 - Arrange glazed meatballs on a serving platter. Sprinkle with toasted sesame seeds, sliced green onions, and optional cilantro leaves. Serve immediately.