Preheat oven to 175°C (350°F).
Grease and flour a Bundt pan thoroughly, making sure to coat every crevice.
In a large bowl, whisk together: Flour, Cocoa powder, Baking powder, Baking soda, Salt
In another bowl, whisk together: Sugar, Eggs, Buttermilk, Oil, Melted butter, Vanilla
Gradually add the dry ingredients to the wet ingredients.
Stir until just combined.
Slowly pour in the hot coffee while mixing. The batter will be thin.
Fold in the chocolate chips.
Pour the batter into the prepared Bundt pan.
Bake for 50–60 minutes, or until a skewer inserted into the centre comes out with a few moist crumbs.
Cool in the pan for 15 minutes.
Turn out onto a wire rack and cool completely
