Please choose the correct ending to complete the given sentence: Food and Entertaining: [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.

Ending1: Fill the saucepan with 4 cups (360 g) of water. Set a large skillet on the stove and turn the heat on medium high. Ending2: Make sure the pan is big enough to hold all the flour. Put the butter, egg, half of the cinnamon sticks and butter into the pan. Ending3: Pour milk or cream and sugar into the saucepan with the melted butter. Bring the milk or cream to a boil over medium heat. Ending4: 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.

Answer format: ending1/ending2/ending3/ending4