1. Place chocolate, cinnamon, cayenne, and nutmeg in a microwave-safe bowl and heat on high for in 30 seconds increments, stirring, until smooth and creamy.
2. Dip each walnut half in the chocolate and place on a tray lined with parchment paper.
3. Sprinkle with sea salt then refrigerate walnuts until chocolate sets, 30 minutes or longer.

Takeaways: I will make this again and will toast the walnuts lightly first. And I found these pleasantly spicy but you can adjust the amount of cayenne if you don’t like heat.