- Trim any extra fat off the steak. Cut the steak into cubes (2.5cm) and roll in the flour.
- Heat the butter and oil in a flameproof casserole dish. Fry the onion until it is soft and then add the meat and fry until brown.
- Slice the mushrooms if they are big and add to the meat with the herbs and stock. Bring to the boil.
- Place the casserole in a moderate oven and cook for 1½ - 2 hours or until the meat is tender.