I have found a couple of recipes for you:
http://www.recipezaar.com/136168
http://www.thepoop.com/pooppantry/doggieicing.asp
http://www.seefido.com/html/dog_brownies_and_frosting_reci.htm
I am also sure some of the members here will have some recipes to add.
http://www.recipezaar.com/136168
http://www.thepoop.com/pooppantry/doggieicing.asp
http://www.seefido.com/html/dog_brownies_and_frosting_reci.htm
I am also sure some of the members here will have some recipes to add.