Fry the diced onion with mince, season with salt and pepper.
Beat the eggs and mix with the broth and milk.
Mix the pasta and mince in a greased casserole dish and pour the milk mixture over it. Sprinkle small pieces of butter, breadcrumbs and grated cheese on top and bake the casserole at 200 ° C for about 30 minutes.
In Finland it is often the favorite dish of children and is eaten with ketchup.