Peel and finely chop the onion. Wash the meat, dab dry and cut into cubes. Clean and wash the bell peppers and cut them into fine strips. Heat lard. Fry the diced turkey for about 10 minutes at high heat while turning.
Add onion, paprika and sauerkraut and fry for another 10 minutes. Season with salt, peppercorns, juniper berries, laurel and apple juice. Fill up with broth and braise covered for about 30 minutes.
Meanwhile bring 1/2 litre of water and some salt to the boil. Remove the pot from the heat and add milk. Stir in puree flakes. Grate cheese and stir in, except for a little bit for sprinkling. Wash parsley, dab dry and chop.
Season the goulash to taste again. Serve with the mashed potatoes. Sprinkle with remaining cheese. Sprinkle goulash with parsley. Garnish with fresh herbs.