1. Preheat oven to 350º F.
2. Lightly grease two 9" x 5" inch loaf pans.
3. In a microwave-safe
bowl, microwave chocolate until melted. Stir occasionally until chocolate is smooth.
4. In a large bowl, combine
eggs, sugar, oil, grated zucchini, vanilla and chocolate; beat well.
5. Stir in the flour baking soda, salt and
cinnamon.
6. Fold in the chocolate chips.
7. Pour batter into prepared loaf pans.
8. Bake in
preheated oven for 60 to 70 minutes, or until a toothpick inserted into the center of a loaf comes out clean.