Melt the butter in a saucepan for the mash, add the mash and cream and mix thoroughly, serve a big spoonful with the sausages and onions and gravy. Stand back and marvel at what you have just created.
This recipe for classic sausage stuffing is nicely flexible, so you can adapt it to what you like. Some sausage meat packets already have added spices and you can even use flavoured sausages ...