Puppy Chow

From Sheri, The All Natural Mom
http://feingoldrecipes.blogspot.com/2012/06/puppy-chow.html

9 cups Crispix cereal
1 cup chocolate chips
1/2 cup peanut butter
1/2 cup butter (1 stick)
1 tsp vanilla
1 to 1.5 cups powdered sugar

Melt chocolate chips, peanut butter and butter in saucepan until smooth.
Stir in vanilla.
Pour over cereal and mix well.
Cool slightly.
Shake with powdered sugar in ziploc bag.