Rose's Downy Yellow Butter Cake

"Baking is a science. It's about ratios and chemical reactions and, over the years, I have learned where variations can be made and how best to modify a recipe to achieve my ideal. But I've also learned that sometimes a recipe is just too good to modify. There is a lot to be said for exercising restraint and knowing when a recipe wouldn't be improved with your fingerprints all over it. Rose Levy Beranbaum's Downy Butter Yellow Cake and White Velvet Cake are two such recipes. They are the foundations for the two most iconic works of art in this book, and I am happy to admit that I couldn't have invented a better recipe to use in these desserts...."