Wikipedia
Yuvarlakia
Yuvarlakia ( Greek γιουβαρλάκια, from Turkish yuvarlak 'round'), are a Greek meatball ( kefte κεφτέ) made of lamb and rice or bulgur and cooked in moist heat; it is also a dish of these meatballs in tomato or avgolemono sauce.
In Turkish cuisine, the tomato version is called sulu köfte and the terbiye version is called ekşili köfte or terbiyeli köfte.