1Line cookie sheet with tin foil. Lightly grease foil with vegetable oil. Place crackers on foil.
Mix butter & brown sugar together. Boil in a small pot for 2 minutes.
Spoon over crackers.
Bake @ 350 degrees for 5 minutes.
2Sprinkle 6 oz. chocolate chips over hot cracker mixture.
Turn oven OFF.
Put candy in oven until chocolate chips can be spread. Spread chocolate.
Sprinkle with chopped nuts if desired.