Peel and finely chop the onion. Cut the sausage into thin slices. Cut pineapple (possibly only 1 slice) into pieces
Fry the sausage in a coated pan without fat. Fry the sauerkraut, onion and whole pineapple. Add 100 ml water and bay leaf. Cover and braise for about 10 minutes
Bring 6 tablespoons of water and 1 pinch of salt to the boil. Remove the pot from the stove. Pour in milk and stir in puree powder. Stir vigorously again after about 1 minute. Season the cabbage and serve