Recipe Source: Chex.com
9 cups Corn Chex
1 cup Semisweet Chocolate Chips
1/2 cup Peanut Butter
1/4 cup Butter
1 teaspoon Vanilla
1 1/2 cups Powdered Sugar
1. Measure cereal into large bowl; set aside.
2. In a microwavable bowl, microwave chocolate chips, peanut butter and butter uncovered on high for 1 minute; stir. Microwave about 30 seconds longer or until mixture can be stirred smooth. Stir in vanilla. Pour mixture over cereal, stirring until evenly coated. Pour into 2-gallon ziploc bag.
3. Add powdered sugar. Seal bag; shake until well coated. Spread on waxed paper to cool. Store in airtight container in refrigerator.