Peel the kohlrabi, cut off one lid each. Hollow out the kohlrabi and cook in boiling salted water for 15-20 minutes. Chop kohlrabi lid, flesh and pork loin into small cubes. Peel and chop the onion. Grate cheese
Heat the oil, fry the cured pork loin lightly in it and remove. Heat the fat in the frying fat. Sweat flour in it
Deglaze with broth and milk, bring to the boil. Add kohlrabi cubes and 2/3 of the cheese and cook for about 5 minutes at low heat. Season to taste with salt and pepper
Drain the kohlrabi. Mix the smoked pork loin and 1/3 of the sauce and fill into the kohlrabi. Fill the rest of the sauce in
a casserole dish. Put the kohlrabi in it and sprinkle with the rest of the cheese. Bake in a preheated oven (electric cooker: 200 °C/circulating air: 175 °C/gas: level 3) for 20-25 minutes until golden brown