2/3 cup dark brown sugar
4 hershey chocolate bars
1/2 cup butter
Butter a loaf pan. Sprinkle nuts into the pan. Unwrap chocolate bars. Stir together brown sugar, and butter in heavy saucepan, over medium heat. Stir CONSTANTLY. When mixture starts to boil, time EXACTLY 6 minutes,(not 5.5 not 6.5—6!) Remove from heat and pour over nuts. Immediately top with chocolate bars. Spread melting chocolate over the top of the hot toffee.
Chill. Break into uneven pieces.
This recipe is easily doubled or tripled.