chocolate rice crispy treats

the goods:

6 tablespoons unsalted butter, plus more for pan
1 bag (10.5 ounces) mini marshmallows
1/4 cup unsweetened Dutch-process cocoa powder
6 cups crisp rice cereal
2 ounces bittersweet chocolate, melted



Butter an 8-inch square baking pan. Line bottom and two sides with parchment paper, leaving an overhang on both sides. Butter paper; set pan aside.



In a large saucepan, combine butter, marshmallows, and cocoa.



Cook over medium, stirring frequently, until melted, about 6 minutes.



Stir in rice cereal.



Press rice mixture into prepared pan.



Drizzle with melted chocolate.



Let cool to room temperature.



Cut into treats!