Preheat the oven to 350 degrees and spray the bundt cake with pam baking spray
Using a large bowl, beat together the cake mix, milk, eggs, butter and peppermint extract until combined and smooth
Pour the batter into the bundt cake pan and bake in the oven for 35-45 minutes or until a toothpick comes out clean
Allow to cool completely before removing the bundt cake from the pan and placing onto a wire rack
Using a small pot, bring the heavy whipping cream and espresso powder to a slow simmer
Using a strainer, strain the heavy whipping cream into another bowl
Pour the hot heavy whipping cream over the chocolate chips into a heat safe bowl
Allow to sit for a minute before whisking until smooth
Pour the ganache over the bundt cake and allow it to drip down the sides
Sprinkle the crushed candy on top and enjoy!