How to make a Cake Mix low-fat:

Take a normal cake mix and disregard the normal ingredients you're supposed to add (the oil, etc). Instead add the following to the cake mix:
* 1 3/4 cup water
* 2 Tbl flour
* 3 egg whites (I've also done 2 egg whites and 1 whole egg and found good results)

Mix all together and follow normal baking temperatures and cooking times on the box. Baking this way makes me feel okay about slathering all sorts of (full fat) frosting on top!

from the MADE blog...this was great we couldn't tell a difference at all.