Hi Brandi, you can, but you’ll want to use a larger round piping tip so that the Oreo cookie pieces don’t get stuck. If you want to do more intricate piping, you can use this whipped frosting, which is a very similar version of this frosting but without the Oreos.

Hi Marion, see recipe Notes for details on using this batter to make a layered cake. We don’t find a simple syrup necessary here, but you can certainly use one if you wish. Hope you enjoy the cake!

Hi Brittany, it really comes down to your taste preference! Vanilla buttercream is the sweetest option; some people love cream cheese frosting best and some not so much; and the one in the recipe here is a less-sweet, less heavy whipped cream frosting. So just choose what you and your son enjoy the most!

Hi Richie, egg yolks can weigh cakes down, and using only egg whites helps to guarantee a softer, lighter cake crumb. Since we lose some fat from the absence of egg yolks, we add in some sour cream. Because this recipe is written specifically for egg whites, we don’t recommend using whole eggs, as it will require more tweaking of other ingredients. If you wish, you can use our vanilla cake recipe instead (which uses a combination of whole eggs and egg whites) and add some chopped Oreos to the batter. Let us know what you try!