Preheat oven to 375 ° F.
Combine margarine, oil and brown sugar in the bowl of a stand mixer and mix on high speed until mixture is light and fluffy, for about 2 minutes. Add applesauce, egg white and vanilla. Mix to combine. Add flour, oatmeal, salt and cinnamon; mix until combined. Add fruit, nuts and dark chocolate. Mix to combine.
Spray a baking sheet with cooking spray. Using 1 tablespoon of cookie dough at a time, roll into balls and place 2 inches apart on sheet. Press down to flatten slightly. Bake for 12-14 minutes or until lightly brown but still soft. Remove from oven and cool on racks.