Preheat oven to 350 degrees. Combine butter and sugar in a bowl and mix until smooth and creamy. Add vanilla, egg and banana to mixture and stir well. In a separate bowl add all dry ingredients (baking soda, salt, baking powder, flour). Slowly pour in dry ingredients until all mixed. Last but not least mix in chocolate chips.
Coat cookie sheet with nonstick cooking spray. Then take a tablespoon and measure out each cookie. Bake for 10-12 minutes in oven or until brown on edges and gooey. Makes about 3 dozen cookies.
Not a NESTLÉ®-tested recipe.