Greek-Cypriot chef and food blogger Marina Georgallides demonstrated how to make oven-cooked biftekia gyros at the 45th Sharjah International Book Fair. Using a technique similar to shawarma ... Sharjah24: Greek-Cypriot chef and London-based food blogger Marina Georgallides introduced visitors at the 45th Sharjah International Book Fair (SIBF 2026) to an oven-cooked version of biftekia gyros, a Greek beef dish whose preparation and presentation drew comparisons with shawarma.