Unroll dough into 1 large rectangle.   Press all perforations to seal.   . Spread mustard on top of the rolled out dough.  Place ham slices on top of the dough.  Place cheese slices on top of the ham.  Starting at the longest edge.  Roll dough into jelly roll fashion.  Cut into .1/2 inch slices.   Place cut slice down. on a prepared  cookie sheet.  .  Bake for 15 to 20 minutes or until lightly browned at 375 degrees.