Combine the flax and the water in small bowl. Let flax water mixture sit for at least 20 minutes on the counter then mix well.
Preheat oven to 350 degrees F.
In a large bowl, combine all ingredients (except the coconut flakes) using your hands; mix well and use hands to form into a ball, then transfer the dough to a baking sheet lined with parchment paper. Use your hands to press down and form a ½ inch crust. Sprinkle the entire surface with the coconut flakes; use 1-2 Tbsp. depending on how large the surface of your dough is on the sheet. Bake for 55-60 minutes or until golden brown and soft but not mushy, rotating the baking sheet half way through baking, or until the crackers are golden brown.
Remove from oven; set aside to cool for at least 20 minutes. Serve.