soft butter (at room temperature) • granulated brown sugar • granulated white sugar • egg (at room temperature) • vanilla • all-purpose flour (if you want the cookie more like a cake add another 1/2 cup of flour, and if you want it chew decrease the amount to 1-1/4 cups of flour) • salt • baking powder • cornstarch • chocolate chips/chunks • Optional: 1/2 of nuts • Optional: pinch of cinnamon or nutmeg