I have not found one that you can do without adding sugar, so if anyone has one, please post it too! Thanks!
OVEN DRIED MANGOS
Ingredients: 1 cup sugar 3 cups water 2 tbsp. lime juice 2 lbs. mangos, 1/4" slices
Directions Mix water, lime juice and sugar. Heat to boiling. Add mango slices to syrup and let stand for 20 minutes. Drain fruit and spread in single layer on a rack in the oven at 130' for 8 hours or until mangos are leathery, but pliable. Pack in air tight containers. Refrigerate or freeze for longer storage.