Onion, Bacon and Potato Hotpot

If I were restricted to cooking the same three recipes for the rest of my life, this would definitely be on the list. I got it from my mother, who can’t remember where she got it from, and friends and acquaintances have been copying it ever since. It is very cheap, makes use of ingredients generally to hand, and tastes - I think - particularly delicious.

The bacon need not be rashers - scraps of cooked bacon left over from a boiled joint will do just as well. You can use more or les