Decorated Cookies I'm Baking 500 Christmas Cookies, Each Hand Decorated. Do You Think There's An Efficient Way To Do This?

I'm baking 500 christmas cookies, each hand decorated. Do you think there's an efficient way to do this? - decorated cookies

I baked 500 sugar cookies for Christmas. Who will be decorated with royal icing, so I stacked them. I want as quickly and efficiently as possible. Do you think you have a timer and will continue to do so? Suggestions or ideas?