Köttbullar: The secret behind the iconic Swedish meatballs

The Swedish furniture giant Ikea sells approximately 1.4 billion meatballs every year. But what makes them so popular? The BBC spoke to people in Stockholm, Sweden, and to a Swedish chef in New York to uncover the secret behind their success.

Video by Susan Pinchiaroli and Manuel Scheuernstuhl

Additional filming Björn Nilsson