2.. In a slow cooker, put leaks.
3.. Make a mixture of watercress, salt, pepper, bouillon granules, butter or margarine.
4. Cover the turkey from all sides with water cress mixture.
5. Put the turkey in the slow cooker.
6. Pour some wine in the slow cooker.
7. Cover the cooker.
8. Cook for 4- 5 hrs. Until turkey is soft and tender.
9. Once done, put the flame on high.
10. In a bowl, mix sour cream with cornstarch.
11. Add the cornstarch mixture to the cooker.
121. Cook for 15 minutes on a high flame with the lid on.
13.In a dish, serve sliced turkey topped with leeks and sauce.