Make the Chutney: Dice up the mango, onion, pepper, and ginger. Heat some oil in a pan and add the chile flake. Cook 1 minute. Next add the onion and pepper. Cook 2 minutes. Next add the ginger. Cook 1 minute. Add the mango. Cook 2 minutes. Add the brown sugar, vinegar, and juice from the orange. Cook on low for 45 minutes or until it becomes jelly like.