Peel the garlic and chop it together with the caraway seeds and salt with a chopping knife.
Melt the lard, mix it with the chopped spices and rub it all around the meat.
Peel the onion, cut into eighths and place around the meat.
Add a little water and roast in a preheated oven at 150 °C, covered, for 60 minutes. Then continue roasting without a lid for 30 minutes.
Then finish roasting the pork with onion vegetables at 200 °C for another 30 minutes.