Nutella Puppy Chow

1/2 cup butter
1 1/2 c chocolate chips
1 c Nutella
12 oz cereal (I like mixing cinnamon and corn, or honey nut)
2-3 c powdered sugar

Melt butter and chocolate chips. Remove from heat and stir in Nutella. Pour over cereal to coat evenly. Toss in paper bag with powdered sugar.