Stop! Did your cake turn out dense? This could be the reason. Have you ever baked a cake or a batch of cupcakes that were supposed to be light and fluffy, but they came out heavy and a little sunken in the middle? Let me tell you why that can happen. Of course, it depends on the recipe, but here I’m making my Tender Vanilla Sheet Cake, which comes together in less than five minutes. I start by whipping the cream together with sour cream, powdered sugar, and vanilla. Once that mixture is light an