Preheat the oven to 350°F (177°C) and grease a 9×13 inch pan or large springform pan.
Mash the bananas
Whisk the flour, baking powder, baking soda, cinnamon, and salt together in a large bowl
Using a mixer or a whisk, beat the sugars, applesauce and oils together for about 1 minute until creamy. Add the flax eggs and the vanilla, then beat in the mashed bananas.
Mix the dry ingredients together with the wet. Do not overmix. Stir in the chocolate chips