Trick or Treat - People Puppy Chow

Melt together:
1/2 cup butter * 1 cup peanut butter * 1 cup semisweet chocolate chips * 1 cup milk chocolate chips * 1 cup chopped walnuts or pecans

In a large bowl, pour a 12 ounce box of Crispix cereal or any Chex cereal you like.
Pour the above mixture over the cereal.
Stir WELL until all the cereal is covered.
Let COOL.

Now, dump into a large paper bag, add 2-3 cups powdered sugar and shake untill covered.

Serve.