Halve the peppers, clean, wash and cut into pieces. Peel the onions and cut into fine rings. Drain the sauerkraut and squeeze it out well.
Fry the minced meat in heated oil on all sides. Add paprika, onions and potato noodles, sauté and place in a baking dish with sauerkraut. Mix the sour cream with milk, season with salt and pepper, pour over the ingredients, sprinkle with cheese and bake in the preheated oven for approx. 20-30 minutes (gas: level 3, convection: 160 ° C).