Preheat oven to 350 degrees. In a medium size bowl, beat sugar and butter until light and fluffy. Add one egg at a time and mix until incorporated. Add half of the mashed bananas and mix well

Sift all of the dry ingredients together and add into the wet ingredients. Beat for 2 minutes at medium speed. Add remaining bananas and lemon juice. Beat for 2 more minutes. Fold in chocolate chips

In a buttered / greased loaf pan, pour in banana bread batter. In microwave heat cookie butter in a small bowl for 15-20 seconds or until runny enough to drizzle. Drizzle cookie butter over banana bread batter and swirl into the batter until incorporated. Evenly sprinkle turbinado sugar over the top. Bake in over for 1 hour or until an inserted toothpick comes out clean