01 - Line an 8x8 inch baking sheet with parchment paper.
02 - Melt the white chocolate in a heatproof bowl set over a pan of gently simmering water, stirring until smooth.
03 - Remove half of the melted white chocolate to a separate bowl.
04 - In one bowl, stir in the matcha powder until fully incorporated and vibrant green.
05 - In the other bowl, mix in the peppermint extract.
06 - Pour the peppermint white chocolate onto the prepared sheet and spread evenly with a spatula to about 1/4 inch thick.
07 - Drizzle the matcha chocolate over the peppermint layer in lines or dollops, then swirl gently with a toothpick to create a marbled effect.
08 - Immediately sprinkle the crushed peppermint candies over the top.
09 - Chill in the refrigerator for 30 minutes, or until completely set.
10 - Break or cut into pieces and store in an airtight container at cool room temperature or in the fridge.