Mix together almond flour, flax and cacoa powder. Stir in oil, water, agave and vanilla.
When it is well mixed, stir in chopped walnuts. Form in to balls, press flat with palms and place on dehydrator screens. Dehydrate 1 hour at 145°F, then reduce to 116°F and dehydrate for at least 5 hours or until desired dryness is achieved.