Cream butter and cream cheese, beating at medium speed of an electric mixer until light and fluffy. Add flour to creamed mixture, mixing well. Roll dough to 0 cm thickness on a lightly floured surface; cut into rounds with a 2- 0.5-inch cookie cutter. Place on lightly greased cookie sheets. Spoon quarter teaspoon jam on each cookie; fold opposite sides to center, slightly overlapping edges. Bake at 190ºC or 15 minutes. Cool on wire racks, and ----