I followed the recipe to a T for cookie and used my royal icing recipe for the glaze. (epicurious.com)
Use my royal icing recipe for the icing (it dries fast). (thespruce.com)
I used my own icing recipe as I didn't have coconut milk on hand so I can't say how delicious yours is (though I'm certain it is awesome!!). (24carrotkitchen.com)