Grind the flax seeds in a coffee grinder or mortar and pestle. Place in a small bowl and add the water. Stir and refrigerate for 10 minutes.
Add all the dry ingredients together in a large bowl mix well with a spoon.
Add all the wet ingredients together in a bowl and mix well with a whisk. add the flax mixture and whisk.
Add the wet ingredients to the dry ingredients and stir lightly until just combined. Do not over-mix. Let the batter rest for 15 minutes.
Heat a skillet over medium heat and add a bit of oil. When the oil is hot spoon some batter into the pan (you can make small pancakes or large ones, whichever you prefer.
Add a few slices of banana to the uncooked top of the batter in the pan. Cook for a few minutes until you see bubbles on the surface of the batter. Flip each pancake over and cook for a few minutes more until done. Repeat until all the batter is finished.
Serve banana slice side up and drizzle over maple syrup.