Preheat oven to 325 degrees.
In a large bowl, stir together the oats, coconut, flax seeds, and nuts and salt.
In a medium bowl, whisk together the cocoa, coconut oil, vanilla, maple syrup, and brown sugar until smooth. Pour chocolate mixture over the oat mixture in the large bowl and stir until all the oats are coated.
Line a baking sheet with parchment paper and distribute granola evenly on the pan. Bake for 15 minutes.
Remove from oven, then stir and bake another 15 minutes.
Remove from oven again and sprinkle on the choc, stir gently and then allow to cool completely.
Once cooled completely. Store in an airtight container.