In a large bowl measure out the cereal of choice and set aside.
In a separate microwave safe bowl add peanut butter, chocolate chips and butter to bowl and microwave on high for 30 second intervals stirring in-between each one until smooth. Add in the vanilla extract and stir again.
Pour the chocolate mixture over the cereal and gently stir with a spatula until evenly coated.
Pour 1.5 cups powdered sugar over the chocolate coated cereal and again gently stir with a spatula. Add additional powdered sugar to your preferred taste.
Spread in a single layer on parchment or wax paper and allow to set.
Store in an airtight container and enjoy!