* Recipe for flax egg is
here
* Pro tip: Freeze vegan chocolate chips. I've found they can get tacky/sticky in a cupboard.
** Pro tip: Don't use muffin/cupcake papers. One, when you peel the paper off the muffin you lose some precious crumbs or even gasp, a rogue chocolate chip! and two, I find they do not cook as well in the papers.
*** Pro tip: Any nut butter will work, I prefer almond butter because I think it has a richer, more complementary flavor to the banana.