Melt butter in a skillet over medium heat.
Whisk constantly until the butter begins to brown. Takes several minutes.
Remove heat once brown and smelling nutty and yummy and pour into mixer bowl.
Let cool a few minutes.
Beat the butter and sugars.
Add the egg, yolk, vanilla. Add the dry ingredients.
Fold in all of the chocolate chips.
Scoop 6 large scoops and shape into circular disks. Chill 1 hour.
Lay cookies on top of brownies in the centers.
Bake at 375 about 20-25 minutes.
Let cool before removing. Serve with ice cream & chocolate sauce or eat as is!!!!