3hrs, said to do it 4hrs
Hot, not boiling
cabbage is tender, stir a tablespoon of Dijon mustard into the cooking liquid
sear both sides of the cabbage wedges in bacon fat
add enough of the beef liquid to the pan to come halfway up the cabbages, cover and simmer till the cabbage is tender, 10 minutes or so.
Drain the potatoes, slice them, toss them with butter and parsley and salt.