Combine sugars and eggs.
Add cocoa powder, oil, and black bean puree and mix thoroughly
Add in zucchini and blend
Add all remaining dry ingredients (combine in a separate bowl if thats your style).
Mix them up
Fold in chocolate chips and nuts
Pour batter into two greased loaf pans or into prepared muffin tins
Bake at 350 for 20-25 minutes for muffins and 40-50 minutes for loaves