Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make pierogi casserole [title] Preheat the oven and prepare the pan. [step] Turn the oven on to 400 degrees f (200 c). Get out a 9 x 13 (23 x 33 cm) baking pan and coat it with cooking spray.

Ending1: Next, put the baking sheet into the oven. [substeps] You can also use a pizza box instead of a 9 x 13 (23 x 33 cm) baking pan. Ending2: This will keep your casserole from sticking to the pan. [title] Melt the cream cheese in chicken broth. Ending3: Make sure it is large enough so that it can hold all of the ingredients that you will use. [substeps] If you want to make only sautéed peppers, you can also make a dip. Ending4: Season the top with baking soda so the top of the pan stays moist during cooking. [substeps] You can substitute egg, clarified butter, or olive oil instead of the cooking spray if you prefer.

Answer format: ending1/ending2/ending3/ending4