Preheat oven to 350° F. Line a baking sheet with parchment paper.
Make flax eggs (if using) by mixing flax seeds and water. Set aside 5 minutes.
Mix all dry ingredients in one bowl (except chocolate chunks). Mix wet ingredients in another bowl. Combine. Add chocolate chunks.
Scoop out one tablespoon of dough at a time and form into balls, slightly flatten.
Bake 10-15 minutes until slightly firm on top (inside should be soft and gooey). Sprinkle with more flakey sea salt (DO NOT skip this step!) Enjoy.