1. In separate bowls, combine each chocolate with 2 tablespoons shortening and melt in microwave for 60 seconds (or until melted together).
2. Stir and heat ever 30 seconds until chocolate is smooth.
3. Let cool a little, but keep warm.
4. Insert a popsicle stick into a frozen piece of cheesecake and dip into chocolate.
5. Twirl to remove excess.
6. Quickly sprinkle nuts on all sides.
7. Place on wax paper and transfer immediately to freezer to set.