For the kale, select the cabbage, pluck it from the thick leaf veins and wash it well. Blanch in plenty of boiling salted water in portions for about 2 minutes. Quench and drain. Coarsely chop the cabbage.
Peel and chop the onions. Heat lard in a large pot. Brown the onions in it. Add cabbage and 350 ml water, bring to the boil, cover and stew for about 2 hours. If necessary add some more water.
Add Kasseler after approx. 30 minutes, cooked sausages after approx. 50 minutes and cook along.
For the potatoes in the meantime wash the potatoes and cook covered for about 20 minutes. Drain, rinse and peel. Heat 2 tablespoons of clarified butter in a large pan. Fry the potatoes for about 10 minutes until golden brown
Sprinkle sugar over it and let it caramelize golden yellow.
Remove the cured pork from the cabbage. Stir the oat flakes into the kale and continue cooking for about 5 minutes. Season to taste with salt, pepper and pimento. Cut the smoked pork loin into slices. Arrange everything.