Grandma's Caramel Bars

      My grandma was always impressive in the kitchen, especially with her holiday treats.  This recipe she created for Caramel Bars is no exception!  Most caramel bars I've had have been underwhelming and have had a relatively stiff caramel layer in the center.  So is not the case with these Caramel Bars.  The caramel layer is gooey, mel