For the brawn of beef tongue, first boil the tongue with the spices and herbs in enough water until soft.
In the meantime, clean and dice the vegetables. Soak the gelatine.
When the tongue is soft, strain and collect the decoction. Cook the vegetables in it until firm to the bite. Cut the tongue into small cubes and add it back to the broth. Squeeze out the gelatine and add it as well. Season with salt, pepper and must vinegar and let it set for several hours.
Serve the brawn of beef tongue with pumpkin seed oil.