Here is a recipe for a Lancashire Hotpot. I made this the other day using lamb shoulder. You can use lamb leg if you want. Preferably no bones, I have seen in a restaurant once a Lancashire Hotpot made with lamb shoulder and lamb cutlets. It created a lovely presentation, however the cutlets were a bit dry. We are not using them here. You need some sort of stock, lamb stock ideally but I use a mixture of veal stock and chicken stock. For the folks at home just use some of the liquid stock you can find on supermarket shelves. Well, the beef or veal at least.