Place a heat proof bowl over a saucepan filled with water (or use a double boiler). Pour dark chocolate chips in the bowl over medium heat. Add cinnamon, nutmeg, cayenne pepper, and vanilla extract.
Place a heat proof bowl over a saucepan filled with water (or use a double boiler). Pour dark chocolate chips in the bowl over medium heat. Add cinnamon, nutmeg, cayenne pepper, and vanilla extract.