Preheat oven to 400°F. Mix meatball ingredients by hand until just combined. Roll into 1.5-inch balls and set aside.
Whisk honey, soy sauce, garlic, vinegar, sesame oil, paprika, pepper flakes, and cornstarch slurry together for the sauce.
Spread rinsed rice in the baking dish. Pour broth over rice. Stir in half the honey garlic sauce.
Arrange raw meatballs in a single layer over the rice. Spoon remaining sauce over each meatball.
Cover very tightly with foil, sealing all edges. Bake at 400°F for 25 minutes. Remove foil and bake 10 to 15 more minutes until meatballs are caramelized and rice is fully cooked.
Rest 5 minutes uncovered before serving. Garnish with sesame seeds and sliced green onions.