01 - In a large mixing bowl, combine the rice Chex cereal, oat ring cereal, mini pretzel twists, chocolate candies, and mini marshmallows.
02 - In a microwave-safe bowl, combine the white chocolate chips and butter. Microwave in 30-second intervals, stirring between each interval, until completely melted and smooth.
03 - Pour the melted white chocolate mixture over the dry ingredients. Gently fold everything together until evenly coated.
04 - Spread the coated mixture onto a parchment-lined baking sheet in an even layer. Allow to set for about 10 minutes until the chocolate has fully hardened.
05 - Once set, break the mixture into pieces and transfer to an airtight container for storage.