Pour chips into a microwave-proof bowl and zap on medium, stirring every 30 seconds, until melted.
Stir in two cups of chopped nuts, raisins, crushed Oreo cookies, cinnamon red-hots or broken mini-pretzels.
Spread mixture onto two cookie sheets you've lined with wax paper and chill in the refrigerator for at least an hour.
Break into pieces and store in an air-tight container in the fridge until you're ready to impress colleagues with your homemade chocolate bark.