Chex Muddy Buddies

9 c Chex cereal; your favorites
1 c Semi-sweet chocolate pieces
1/2 c Peanut butter
1/4 c Margarine
1 ts Vanilla
1 1/2 c Powdered sugar

Mix cereals in large bowl – set aside. Combine chocolate, margarine and peanut butter and microwave on high for 1 to 2 minutes until melted. Stir in vanilla. Pour chocolate mixture over cereal, stirring to coat evenly. Pour coated cereal into large resalable bag and add powdered sugar. Shake until evenly coated.
Spread on waxed paper to cool. Makes 9 cups.