Mix the sugar and orange juice in a bowl of a stand mixer.
Add the eggs one at a time, mixing well between each addition.
Add the vegetable oil, orange zest and orange blossom water
Add the cocoa powder.
In a separate bowl mix the flour, baking powder, baking soda, and salt together.
Alternating the dry mixture and the buttermilk add to the sugar and cocoa mixture.
Divide batter between two prepared 8 inch cake pans.
Bake for 35 to 40 minutes or until a toothpick inserted in the middle of the cake comes out clean.
Cool cake to room temperature before removing from the pan.