With pastry blender or 2 knives used scissor-fashion, cut in shortening until evenly combined. Add buttermilk to flour mixture, mix together with hand just until dough forms. On lightly floured surface, pat dough into 7-inch square. Cut dough into 4 strips, then cut each strip crosswise into 4 pieces to make 16 biscuits.
Place biscuits on ungreased large cookie sheet.
Bake biscuits 12 to 15 minutes, until lightly golden. Serve biscuits warm, or cool on wire rack to serve later.