Fry finely chopped onions in sunflower oil.
Add the diced meat and simmer until tender.
Season with salt, add paprika.
Boil the pasta in salted water until tender, drain the water, put in a bowl, add butter.
Put the pasta in an ovenproof dish.
Top with meat.
Drizzle with sour cream.
Sprinkle with grated cheese.
Bake in the oven for 15 minutes at 200 degrees C.
Place on a plate.