Chocolate Orange Loaf Cake

1. Preheat the oven to 350°F (175°C) and grease a loaf pan.
2. In a bowl, whisk together flour, cocoa powder, baking powder, baking soda, and salt.
3. In a separate bowl, mix sugar and vegetable oil. Add eggs one at a time, then stir in vanilla extract, orange zest, orange juice, and buttermilk.
4. Gradually add the dry ingredients to the wet ingredients, mixing until just combined. Fold in chocolate chips.
5. Pour the batter into the prepared loaf pan and bake for 50-60 minutes, or until a toothpick inserted into the center comes out clean.
6. Allow the cake to cool in the pan for 10 minutes before transferring to a wire rack to cool completely.
7. Slice and enjoy this delicious chocolate orange loaf cake!
Prep Time: 15 minutes | Cook Time: 50-60 minutes | Total Time: 1 hour 15 minutes | Servings: 8-10