This article is from the Kool-Aid FAQ, by Paul and Bess Dawson-Schmidt firstname.lastname@example.org with numerous contributions by others.
Rob Stave (email@example.com)
1 Cup Confectioners Sugar.
1 teaspoon Water.
Mix and add water until you have a good thick paste.
Add a pinch of your favorite Kool-Aid to color your icing. For red,
I used fruit punch but now I think pink lemonade would have been
more appropriate (the fruitiness was a bit overwhelming).