Preheat the oven to 180°C/350°F.
Prepare the flax eggs, by whisking the ground flaxseeds with the water, then set aside to gel.
Mix together the apple sauce, soy milk, maple syrup, orange juice, apple cider vinegar and vanilla essence.
Using a blender, blend the oats, until they are the consistency of flour.
Into a large mixing bowl at the blended oat, almond meal and coconut sugar. Then add the baking powder, bi-carb soda, ginger, cinnamon, nutmeg, salt and orange zest. Stir to combine.
Add the wet ingredients to the dry ingredients and gently fold through.
While still partially mixed, add the chocolate and continue to gently fold through until just mixed.
Spoon out into prepared muffin pans.
Add some chopped orange pieces to the top for an optional decoration.
Bake at 180°C/350°F for 20-25 minutes or until golden.
Remove from the oven. Cool for about 5 minutes before removing from the muffin pan to cool completely on a wire rack.
Store any leftovers in an airtight container in the refrigerator for 2-3 days or for longer storage in freeze in an airtight container.