Pour rice cereal squares into a very large bowl.
Combine white chocolate chips, vanilla bean paste, heavy cream, and butter in a double boiler over medium-high heat, stirring until the white chocolate melts and the mixture is smooth.
Fold the white chocolate mixture into the cereal.
Once combined, toss cereal with powdered sugar and sprinkles until well coated.
Let cool and store in an airtight container until ready to serve.
Pour rice cereal squares into a very large bowl.
Combine white chocolate chips, vanilla bean paste, heavy cream, and butter in a double boiler over medium-high heat, stirring until the white chocolate melts and the mixture is smooth.
Fold the white chocolate mixture into the cereal.
Once combined, toss cereal with powdered sugar and sprinkles until well coated.
Let cool and store in an airtight container until ready to serve.