Add the coconut and mix thoroughly. If you see any syrup pooling at the bottom of the bowl, gradually mix in more coconut flakes until you no longer see any excess. You want the mixture to be just moist enough to hold its shape when compacted into a ball.
Add the sugar, maple syrup, vanilla, salt and cinnamon. Stir to combine.
Beat the egg whites with a whisk until they are loose and frothy.