Add the carrot and onion to the pan and fry over a medium ... Sit the marrow bone (if using) upright in a 1.5 litre/2½ pint pie dish. Spoon in the beef and sauce and lay the oysters on top ...
Heat the oil in a deep frying pan and fry the beef mince for 4-5 minutes, breaking it up with a wooden spoon as it browns. Add the onion and cook ... into a one litre pie dish.
One could serve it as a rustic, deep dish pie, or present it as a more gourmet "deconstructed" version, as I have in the photo. Each and every item was costed, right down to the coriander seeds ...