Step by step, easy Lancashire Lamb Hotpot 👍

Hi all, here's the recipe for your convenience, feel free to adapt it to your families requirements. This is for a family of four :) 600g of Lamb neck fillet One large diced onion and the same quantity of sweed Two sticks of celery Two bay leaves and a tablespoon of finely chopped fresh rosemary Couple of tablespoons of flour Seasoning to taste Homemade chicken bone stock, approx 800ml Wuster Sauce (the correct way to pronounce it) Butter (optional) Plus anything else I've forgotten :) Proper Job !!