This is one of those invaluable dishes which freeze well, make an entire meal in one dish, and taste delicious. The idea was my sister Livi’s many years ago. I think it matters very much whenever sausages or sausagemeat is used in a recipe to get the very best you can find – I like Marks & Spencer’s butcher style or free-range sausages, or their Lincoln sausages. I much prefer to skin my own. The sausages just need to be slit down with a sharp knife and the skins peel o