Preheat oven to 350ºF. Prepare 2 large loaf pans with cooking oil spray or butter. Can also use 8 mini loaf pans
In a large mixing bowl or stand mixer, beat the eggs until fluffy and yellow. Add in the sugar and oil and continue to beat until combined. Add in the vanilla.
In a medium mixing bowl sift together the flour, baking powder, baking soda, salt, cinnamon and nutmeg. Add to the egg mixture and mix.
Add in the zucchini.
Melt the baking chocolate in the microwave for 30 seconds to 1 minute, stirring frequently until melted. Add to the batter and mix until well incorporated.
Pour into 2 well greased loaf pans and sprinkle chocolate chips on top.
Bake for 45-50 minutes, or until a toothpick comes out clean.