Grease 9×9” square or round pan. Put plastic wrap on inside.(This makes it easier to remove)

Heat chocolate, butterscotch, and condensed milk in microwave for 1 minute on High. Stir. Cook 30 seconds. Stir. Cook 15 seconds if needed. Immediately stir in vanilla and nuts, marshmallows, etc.

Spoon quickly into pan and smooth out. Chill covered in refrigerator. Slice very thin when serving – it’s rich.