Clean and wash the cabbage and cut or slice it into strips. Peel and finely chop the onions. Dice bacon
Fry bacon in 1 tablespoon of oil until crispy and remove. Sauté cabbage and half onions in the bacon fat for about 5 minutes. Add a good 1/4 l water and vinegar, bring to the boil. Stir in broth, add caraway and stew everything covered for about 5 minutes. Season to taste with salt, pepper and sugar. Fold in bacon. Leave to stand for at least 5 hours.
Soak the buns. Knead minced, squeezed rolls, mustard, rest of onions and egg. Season with salt, pepper and paprika. Form about 40 buns. Fry on a baking tray in a hot oven (electric cooker: 200 °C/circulating air: 175 °C/gas: level 3) for about 20 minutes. Let cool down if necessary
Wash and finely chop the parsley. Mix into the salad and season to taste. Add the meatballs warm or cold. Serve lye pastry, radish spirals and radishes separately
Drink: cool wheat beer