– 1 1/2 cup all-purpose flour – 1/2 cup cornstarch – 1/2 teaspoon baking soda – 1 teaspoon baking powder – 1 teaspoon salt – 3/4 cup chocolate chips – 1 banana mashed – 2 cup whole milk – 2/3 cup vegetable oil – 2 egg – 3 teaspoons sugar – 2 teaspoon vanilla extract