Chocolate-Almond Wood-Grain Bark

Melt white chocolate in a double boiler or a heatproof bowl set over a pan of simmering water, stirring. Spread white chocolate onto an 8-by-12-inch food-safe plastic wood-grain texture mat using a small offset spatula. Scrape off excess chocolate, using spatula, until the thinnest layer possible is left on mat. Transfer mat to a baking sheet and freeze until firm, about 10 minutes.

Melt bittersweet chocolate in a double boiler or a heatproof bowl set over a pan of simmering water, stirring. Mix in almonds. Spread mixture onto white chocolate in an even layer. Refrigerateuntil firm, about 1 hour. Peel away mat.