Hi, Kathy! I got this recipe off this board but I don't have the author. Here ya' go!

Puppy Chow
snack/ appetizer/ quick dessert.

1 box Krispix Cereal or any type of Chex Cereal
1 stick of butter
1 6ox package of chocolate chips
1 cup peanut butter
powdered sugar

Put cereal into large mixing bowl. Melt butter, chocolate chips, and peanut butter in sauce pan. Stir until just melted. Pour mix over cereal an stir gently. Let cool. After cool, put into bag with some powdered sugar and shake until coated.