Melt the butter in a small pot until it stops bubbling and Browns slightly. Pour into a bowl. Cool for 15 minutes. Add sugars, vanilla and egg and mix. Add the rest of the dry ingredients. Place in the refrigerator for an hour or overnight. Take bowl out of the refrigerator and scoop into balls with a cookie scoop. Bake in a pre-heated over at 375 degrees for 8-9 minutes. Do not over bake or they will not be chewy.