Place turkey legs in large pot and cover with water. Bring to boil, reduce heat and simmer for one hour. Remove legs and reserve 1 1/2 quarts of the cooking broth. Remove meat from bones and set aside. In large sauce pot, sauté onions and carrots in butter until tender. Reduce heat, gradually whisk in flour and one quart of the reserved liquid. Bring to boil and cook and stir until thickened. Add cream, rice,seasonings, bouillon, turkey and remaining liquid. Reduce heat; cover and simmer until rice is tender.