1. Heat oven to 350. Grease a loaf pan.
2. Beat applesauce and sugar in bowl until combined. Beat in egg whites until light and fluffy. Beat in bananas and peanut butter until smooth. Beat in flour, baking soda and powder, salt until just combined. Stir in chocolate chips. Pour into pan.
3. Bake 60-70 minutes or until toothpick comes out clean. Cool in pan for 10 minutes. Remove from pan and cool completely about 1 hour.
* Tightly wrap in plastic wrap to keep fresh.