6 tablespoons unsalted butter, ⅔ cup (133g) light brown sugar, 1 ½ cups mashed banana, ½ teaspoon vanilla extract, 1 ¼ cups (185g) gluten free flour, 1 teaspoon baking powder, ¾ teaspoon baking soda, ¼ teaspoon fine sea salt, ¼ teaspoon cinnamon*, ¾ cup (128g) semisweet chocolate chips
