Preheat over to 350 and grease loaf pan

In a medium bowl mix together butter, brown sugar, eggs and vanilla

In a large bowl mix together flour, cocoa powder, salt, baking powder, baking soda

Add in wet mixture to the flour mixture, it will be thick

Stir in the shredded zucchini and chocolate chips

Place batter into greased pan and bake for 1 hour or until a toothpick inserted into the centre comes out clean

Cool for 10 minutes before removing from pan and allow to cool completely on a wire rack

Enjoy