Prepare and bake cake according to box directions. Use
9x12 cake pan. While warm, poke holes halfway into cake
about 1-inch apart. Pour sweetened condensed milk into
holes. Pour caramel toppingover cake and refrigerate.
Once cooled, top with Cool Whip and crushed Heath candy.
Refriqerate overnight. - Loretta Lynn's Coal Miner's
Daughter's Gooey Cake