Cossack braised lamb]

1. Brown lamb slowly in butter, add additional butter if necessary.
2. Add onion, paprika, & tarragon.
3. Saute for 4-5 minutes, add vinegar, salt, pepper, & stock.
4. Cover & simmer until meat is tender, about 1 hour.
5. Stir in the yogurt and apples and simmer for 15 minutes more.
6. You may want to serve this dish with rice or noodles