Puppy Chow

Place the chex cereal in a large bowl.

Melt the chocolate chips, margarine, and peanut butter in a microwave safe dish

Pour over the cereal and stir until the cereal is evenly coated.

Put the powdered sugar in a large size plastic bag, add the coated cereal and shake until evenly coated.

Spread over a sheet of waxed paper until cooled off.

Store in an air tight container in the refrigerator.