Slow cooked one pot Welsh Beef with chestnuts
Preheat the oven to 180C/Gas 4.
Heat a casserole dish and add the oil - brown the Welsh Beef in batches until sealed. Remove the Welsh Beef and set aside. Add the onions, garlic and cook for 5-10 minutes until they begin to soften.
Add the tinned tomatoes, tomato puree, thyme, bay leaves, balsamic vinegar, salt and pepper and the sealed Welsh Beef. Cover and place in the pre-heated oven for 30 minutes then reduce the heat to 150C/Gas 2 and leave to cook for 1 ½ hours.
Remove from the oven and add the chestnuts, mushrooms and sweet potato. Return to the oven and continue cooking for a further 1 ½ hours until all the vegetables are cooked and the meat is tender. Serve with steamed green vegetables.