Preheat pan with a coat of sesame oil. Heat sesame oil in large skillet over medium-high heat. Add half of meatballs. Sauté until brown and cooked through, turning meatballs often and lowering heat if browning too quickly, about 15 minutes. Cook until all sides are browned and when you push on them they bounce back. Place on clean baking sheet, place foil over to keep warm. Repeat with remaining meatballs.