Turkish Chef Ahmet Dede was a guest in season 4 of MasterChef Turkey yesterday. But who is Chef Ahmet Dede? Turkish-origin Chef Ahmet Dede's restaurant in Cork, Ireland, was crowned with a Michelin star, and its success was much talked about in Turkey. Chef Ahmet Dede entered the kitchen at a young age and started cooking with his mother. Dede , the youngest of three brothers, was 25 years old ...