A golden rule above all else sweat the onion in the butter and add the vegetables in the following order: carrot, green cabbage, sprouts, celeriac, turnips, potatoes. Allow to braise moistening with the Pauwel Kwak beer.
Add the thyme, bay and sliced garlic. Allow to cook covered for 20 minutes over a low light.
In the mean time brown the meat lightly in butter seasoned with salt and pepper.
Then add meat to the vegetable melange.
Put the pan or casserole in the oven at 200 C (gas mark 6) uncovered for about 20 minutes. If you like your meat well done, you can leave it in a little longer; if you want it rare, take it out of the oven sooner.
Correct seasoning and bring to the table in the casserole or pan.