Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to bake marble brownies [title] Preheat the oven to 325 degrees. [step] 325 is the ideal temperature because it allows the brownies to cook perfectly in the inside. They will come out moist and delicious.

Ending1: [substeps] If you are decorating a cake using brownies, you may need to grease and prep a cake pan with water to reach room temperature before setting the pan aside. [title] Combine the wet and dry ingredients in a bowl. Ending2: [title] Mist an 8 by 8 inch pan with non-stick cooking spray. [step] The cooking spray allows the brownies not to stick to the pan and ruin them. Ending3: Do not set your oven to 325 degrees yet. [title] In a medium-sized bowl, cream the butter and sugar and set aside. Ending4: [substeps] If you don't have a thermometer, you can use an oven thermometer to gauge whether or not the oven is hot enough to bake the brownies. If it is too hot, start browning the brownies immediately instead of waiting until the timer goes off to bake them or do the whole process at once.

Answer format: ending1/ending2/ending3/ending4