Chocolate Chip Skillet Cookie

  Tbsp  butter  (1 1/2 sticks melted and cooled until warm)

  cup  brown sugar

  cup  granulated sugar

  large + 1 egg yolk egg

  tsp  vanilla extract

  cups + 2 Tbs. all-purpose flour

  tsp  baking soda

  tsp  salt

  cups  semi-sweet chocolate chips ((I use a little of semi sweet and milk chocolate))