- Line a sheet pan with parchment paper.
- In a heatproof bowl set over a saucepan of gently simmering water, melt chocolate, stirring constantly with a spatula.
- Stir 1 cup cereal into chocolate, then spread chocolate in a 1/4" thick layer on sheet pan. Sprinkle with 1/2 cup cereal and raspberries. Refrigerate at least 15 minutes or until hardened, then break apart into pieces. Store refrigerated in an airtight container.