Preheat the oven to 350°F. Line a baking sheet with foil and spray lightly with cooking spray and set aside.
Add ground beef and all meatballs ingredients into a large bowl. Gently mix by hand and roll into 16 larger meatballs.
Place meatballs on the baking sheet. Bake for 30 minutes or internal temperature reached 165°F. .
While meatballs are cooking, whisk sesame oil, rice wine vinegar, soy sauce, honey, water, Sriracha, and cornstarch together in a saucepan until combined. Bring to a boil and then reduce to a simmer and stir in the green onion. Allow the to sauce thicken for about 5 minutes and remove from the heat.
Remove meatballs from oven and plate on a large rimmed dish. Pour the sauce over the meatballs and serve with rice.