A sweet and tangy chex mix that bursts with flavour.
Measure cereal into a large bowl, set aside.
In a microwave safe bowl put chips, butter, peel and juice uncovered on High for 1 minute; stir.
Microwave about 30 seconds longer or until mixture can be stirred smooth
Pour mixture over cereal, stirring until evenly coated.
Pour into 2-gallon resealable food-storage plastic bag.
Add icing sugar. Seal bag; gently shake until well coated. Spread on waxed paper or foil to cool. Store in airtight container.