Combine dry ingredients - flour, cocoa, sugar, baking powder, salt-in a bowl and set aside
In a mixing bowl beat together - vegetable oil, eggs, buttermilk and vanilla
Once combined slowly add dry ingredients and combine well
Slowly pour in orange liquor while mixing on low until combined- cake batter will be runny-it's all good
Stir in mini chocolate chips
Pour batter into a greased and floured bundt pan
Bake in a 350 degree pre-heated oven for 50-55 minutes, until toothpick inserted in center comes out clean.
Allow to cool for 10-15 minutes then remove from pan