The House of Cupcakes on Witherspoon Street in Princeton is a dream come true for sweet-toothed visitors. This lovely little shop, owned by Ruth Bzdewka and her husband, features row upon row of delectable frosted cupcakes in a seemingly endless variety of flavors. The store sells cupcakes individually, by the half- or full dozen, and in bulk. In addition, special ordering of cupcakes and cakes is available.