Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make oatmeal raisin cookies [title] Heat the oven to 350ºf. [step] Line baking sheet with a parchment paper, or spray it with a non-stick cooking spray to ensure that the cookies can be removed cleanly when finished. [title] Beat together butter and sugar with a hand mixture. [step] Add the room-temperature butter, white sugar, and brown sugar into a large mixing bowl and slowly increase the speed on your mixer.

Ending1: You want everything to be blended and the mixture to be light and fluffy. [title] Add eggs and vanilla, mixing until completely incorporated. Ending2: Don't over beat the butter to a medium speed or the cookies won't bake evenly. [title] Scrape the top of the bowl with a spatula. Ending3: Add the eggs until the mixture is light and fluffy, then beat on medium speed until combined. Pour the ingredients into the mixer and mix until well combined. Ending4: Beat the mixture with a medium speed for one minute. [substeps] Alternately, it's possible to use a stand mixer, but many people prefer this method better.

Answer format: ending1/ending2/ending3/ending4