Preheat oven to 170°C/Gas Mark 3.
Place 450g (1lb) lean, fully trimmed pork cubes into an oven-proof casserole dish.
Add 1 leek, sliced, 2 sticks celery, sliced, 1 clove garlic, crushed, 15mlsp (1tbsp) tomato purée, 15mlsp (1tbsp) Worcestershire sauce, 300ml (1/2pt) orange juice, 15g (1tbsp) paprika and 15mlsp (1tbsp) English mustard.
Mix well, cover and cook in a preheated oven for 1.5-2 hours until tender.
Serve with mashed swede, potato and carrot and a mixture of seasonal vegetables.
Suitable cuts include braising cubes, shoulder or leg