Add buttermilk, vinegar, and red food coloring ... Place one layer on a platter, then spread top with a thick layer of frosting. Place second cake layer on top. Frost top and sides of cake.
If you make one cake, carefully slice it into horizontal slices, as we've done in the picture here, then cut out each 'layer' to form heart shapes. Sandwich together using icing and decorate with ...
Tradition makes these layered masterpieces even sweeter, from a meringue-topped county fair winner to Southern Living's most popular cake recipe in history.