Combine the flours, salt, baking powder, ground flaxseed, and chia seeds until well combined.
Add the water and olive oil together and combine until well blended.
Roll the dough out onto an extra-large cookie sheet between two pieces of parchment paper until the dough is very thin. Sprinkle with sesame seeds and press them lightly into the dough.
I use a pizza slicer to cut the dough into small 1x1 inch squares.
Bake at them 300 degrees in the convection oven for about 40 minutes, check them at 25 and 30 minutes to make sure they are completely dry or until crisp and brown.