Separate rolls into 4 rectangles and spread with mustard. Spread with thin layer of sausage. Roll and chill until ready to serve. Thinly slice each roll (10 circles to a roll) and place on ungreased pan. Bake at 400 degrees for 18 to 20 minutes. Serve hot. 2 packages of ham slices can be substituted for pork sausage. These circles roll. Yield: 20 pieces