The Sherry and sherry vinegar used in this recipe add a warm complex slightly piquant flavour. Use a good Manzanilla dry aged sherry, or a Tio Pepe, and the best sherry vinegar that you can find. The addition of Rosemary adds depth and a wintery note to the dish.
Like many casseroles it is best made in advance to allow the sherry vinegar to mellow and the complex flavours to develop. Instructions are given in full below. Continue reading