This red velvet cake with lemon cream cheese frosting is a delicious and tangy twist on the classic red velvet cake. The cake is made with a combination of buttermilk, vinegar, and cocoa powder, which gives it its signature tangy and slightly chocolatey taste. The cake is then topped with a creamy and tangy lemon cream cheese frosting, which perfectly complements the sweetness of the cake. This recipe is easy to make and is sure to be a hit with anyone who loves a tangy and delicious dessert.