Preheat oven to 350 degrees. Using cooking spray, grease a 12 mini bundt pan, set aside.

In a medium bowl, whisk the flour, salt, baking powder, and baking soda. Set aside.

In a large bowl or stand mixer, cream together butter and sugars. With mixer on low, add eggs and vanilla. Add banana and mix well. Add the flour mixture, minus chocolate chips, mixing until smooth.

Add the chocolate chips and mix well using a spatula or wooden spoon

Spoon about 3 to 4 tablespoons batter into the bottom of each bundt cake mold, spreading into an even layer.

Bake for 15 to 20 minutes or until a wooden toothpick inserted in the center of 1 cake comes out clean.

Cool in pans 10 minutes.

Remove cakes from pans and sprinkle with confectioner's sugar