Marbled sour cream pound cake with white chocolate icing

A while ago I nominated Flo Braker and Lisa Yockelson the Queens of Pound Cakes but now I have to add another name to that fabulous list: Alisa Huntsman, who to me was already the Queen of Layer Cakes, kicks ass in other fields, too, and her pound cakes have become favorites of mine, not only because they are insanely tender and delicious but also because her pound cake recipes from this