[header] How to make cookie dough bark [title] Prepare a pan and set up a double boiler. [step] Get out a jelly roll pan and line it with waxed paper. Set the pan aside and get out a medium saucepan. 
Pour 1 inch (2.5 cm) of water in the pan and put it on the stove over medium-high heat. Set a clear oven-safe bowl over the saucepan.