Skinny Chocolate Chip Banana Bread

3 very ripe bananas ½ cup unsweetened applesauce OR you can use one 6 ounce container of low carb yogurt 1 tbsp reduced fat butter (I used "I Can't Believe It's Not Butter” Spread) 2 egg whites 1 ½ cups whole wheat white flour ½ tsp salt 1 tsp baking powder 1 tsp baking soda ½ cup brown sugar

½ cup Splenda Granulated Sugar (or you can use another sweetener or sugar) 1 tsp vanilla extract ⅓ cup semi-sweet dark chocolate mini chocolate chips