A former worker at Nusr-Et in London has spoken out about the “toxic working environment” at the famous restaurant and accused it of serving customers “frozen chips with Heinz ketchup.” The Knightsbridge restaurant, owned by Turkish chef Salt Bae — real name Nusret Gokce — became a social media phenomenon when it launched late last year, largely because of the sky-high prices it charged for everything from fries to baklava.