Creamy San Sebastian Cheesecake with Condensed Milk - San Sebastian Cheesecake is a famous recipe for a rich, baked, creamy, crustless, caramelised cheesecake (also known as Basque burnt cheesecake) with a soft custard centre. It has recently become popular again in Istanbul and Antalya, Turkey where it is served with Chocolate/a Chocolate Sauce. In this recipe Condensed Milk adds flavour, richness and makes the cheesecake super creamy.