TRADITIONAL SCOTCH COOKIES 1/2 cup cornstarch. 1 cup flour. 1/2 cup icing sugar. 3/4 cup butter, softened. Sift together cornstarch, icing sugar and flour. With large spoon, thoroughly blend in butter. Work with hands until soft, smooth dough forms. If necessary, refrigerate 1 hour or until easy to handle. Roll dough to 1/4 inch thickness; cut into shapes with cookie cutters. Decorate with candied cherries, coloured sprinkles or Icing, if desired. Bake in 300°F (150°C) oven 10-15 minutes or until edges are lightly browned. Remove and cool completely on wire rack. Store in tightly covered container. Yield: About 2 dozen cookies.