In a large mixing bowl, combine brown sugar and butter. Beat at medium speed until creamy. Add sour cream, egg, and vanilla. Continue beating until mixed well. In a separate bowl, combne flour, baking powder and baking soda. Add flour mixture, a little at a time, and mix well. Stir in cashews and cranberries. Drop dough by rounded teaspoonfuls 2 inches apart onto ungreased cookie sheets. Bake for 10 to 12 minutes or until lightly browned. Cool completely.
Frosting: Stir together confectioners' sugar and orange juice in a small bowl. Drizzle over cooled cookies.
A viewer or guest of the show, who may not be a professional cook, provided this recipe. It has not been tested for home use.