Puppy Chow

1/4 lb Butter
1 c Peanut butter
1 lb Box powdered sugar
1 lg Box Crispix cereal
12 oz Package milk chocolate chips

Melt margarine, peanut butter and chocolate chips in a microwave on medium setting 2 minutes or longer until melted. Stir to blend. Place one large box of Crispix cereal in a large (very large) pan and pour chocolate mixture over top. Stir to coat. Place 1 lb box of powdered sugar in a grocery bag. Put coated cereal in the bag and shake until powdered sugar is absorbed. Open bag and let it cool. Store in tins.