Toffee

2 ½ c sugar

½ c water

¼ c white karo syrup

2 c butter

8 hershey bars

2 c walnuts

Stir sugar, water, syrup, and butter with silver spoon in heavy pan o high.  Heat until butter melts.  Add thermometer, reduce heat.  Cook to 275 crack stage.  Grease cookie sheet with butter.  Grate 4 hershey bars. Cover bottom of  pan with 1 cup blended walnuts.  Spread with grated chocolate.  Pour toffee on top.  Let stand 10 minutes.  Grate the other 4 hershey bars on top.  Cover with 1 cup blended walnuts.  Break into pieces when cooled.  Store in cool place.