For the best banana flavor, make sure to use very ripe bananas. Their peels should be covered with dark brown, if not black, speckles. If the bananas are not ripe enough, these will taste no better than cocoa potato muffins.
1½cupsall-purpose flour (spoon flour into a dry-measure cup and level off)
⅔cup alkalized (Dutch process) cocoa powder, sifted after measuring