Preheat oven to 180℃
Grease bundt pan with butter and flour
Add flour ,sugar ,cocoa , baking soda ,baking powder,and salt and mix well
Mix buttermilk , oil , eggs ,and vanilla in another bowl.
Transfer wet ingredients to the dry ingredients
Add coffee to the mixture and mix well
Pour batter into the bundt pan and bake for 50 to 55 minutes.
Let cake cool completely before adding the ganache
To make ganache add heavy cream and chopped dark chocolate in a microwave safe bowl and heat for 30 seconds..
Using a fork add the chocolate ganache in a zigzag pattern .
Garnish with dark .chocochips and edible silver balls.