This time, in an attempt to make groovy tie dye cookies to celebrate our new Summer Diapers, she needed a cookie with a smooth enough surface to do the tie dye icing application.
In a medium bowl combine the flour, baking soda, baking powder, salt and cocoa powder.
If time allows, cover the bowl with plastic wrap and place in the refrigerator for up to one hour to chill.
Make your royal icing: Using a mixer, beat all ingredients together until icing forms peaks (around 7-10 minutes).