01 -
Place unwrapped candy canes in a zip-top bag, press out the air, and crush with a rolling pin until you have small pieces with some peppermint dust.
02 -
Melt the white chocolate in a microwave-safe bowl in 20-second bursts, stirring after each burst, until smooth. Stir in the oil and peppermint extract if using.
03 -
Place the cereal in a very large bowl. Pour the melted chocolate over it and fold gently with a spatula until the cereal is evenly coated.
04 -
Transfer the warm coated cereal to a large zip-top bag or lidded container. Add the crushed candy canes and sprinkles, then shake gently until they cling to the coating.
05 -
Add the powdered sugar, seal again, and shake until the pieces are fully coated and no longer sticky.
06 -
Spread the puppy chow on parchment paper for 15-20 minutes. Store in an airtight container at room temperature for up to 1 week.