In large saucepan, saute onion and green pepper in 1/4 cup butter until tender. Set aside in a bowl.
In the pan saute the pork until browned on all sides.
Stir in onions, peppers, sauerkraut, apple juice, salt, pepper, and caraway seed. Simmer, covered, 1 hour.
Add apples and simmer, uncovered, 20 minutes or until meat is tender.
Toss cooked noodles with the remaining butter; add salt and pepper to taste.
Serve pork mixture over noodles.