Mix flour, 1/2 tsp salt, milk and 4 eggs until smooth. Let the dough swell for about 10 minutes
In the meantime peel and chop the onions. Cut the sausages into slices. Fry briefly in 2 tbsp. hot clarified butter. Add onions, fry. Add sauerkraut and caraway, fry briefly. Add wine or 4-5 tablespoons of water and braise covered for about 15 minutes. Season with salt, pepper and paprika
Heat 2 tablespoons of clarified butter in portions in a pan (20 cm Ø). Bake approx. 8 golden brown pancakes in it one after the other
Pour 1/3 of the sauerkraut into a greased casserole dish (approx. 2 l capacity). Spread the rest of the sauerkraut on the pancakes. Roll up the pancakes. Cut each pancake into 4 thick slices and place in the baking dish
Stir the sour cream and 1 egg. Season with salt, pepper and paprika. Pour over the pancakes. Bake in the preheated oven (electric cooker: 200 °C / fan oven: 175 °C / gas: level 3) for 25-30 minutes until golden brown