Preheat oven to 180°C. Grease loaf pan and set aside.
Mix honey, eggs and oil together in a large bowl.
In a separate bowl, combine flour, cocoa powder, cinnamon, baking powder and salt. Add to your honey, egg and oil mixture.
Carefully add grated zucchini, chopped chocolate and oat milk.
Pour the batter into a greased loaf tin and bake for about 50 minutes.