01 - Preheat oven to 400°F. Line a baking sheet with parchment paper.
02 - In a large bowl, combine ground beef, garlic, onion, egg, breadcrumbs, Sriracha sauce, soy sauce, sesame oil, salt, pepper, and cilantro. Mix until just combined without overmixing.
03 - Form mixture into 20 to 24 small meatballs, approximately 1 tablespoon each. Arrange on prepared baking sheet.
04 - Bake for 18 to 20 minutes until browned and cooked through.
05 - Rinse rice under cold water until water runs clear. In a saucepan, bring 2 cups water and salt to boil. Add rice, reduce heat to low, cover, and simmer for 12 to 15 minutes until tender and water is absorbed. Fluff with a fork.
06 - In a small saucepan, whisk together Sriracha sauce, honey, soy sauce, rice vinegar, and sesame oil. Bring to simmer over medium-low heat and cook for 2 to 3 minutes until slightly thickened.
07 - Toss cooked meatballs in Sriracha sauce until well coated.
08 - Serve meatballs over rice. Garnish with spring onions, sesame seeds, and fresh cilantro.