Sour cream frosting is the obvious choice for sour cream cupcakes. This sour cream frosting is based on a basic vanilla bean buttercream frosting. However, instead of using milk in the frosting, the sour cream frosting uses sour cream.
Even if you are not a fan of sour cream, you still may enioy the sour cream frosting. The sour cream flavor is subtle. It adds a pleasant tang which helps to counteract the sweetness of the buttercream. Try it and let me know what you think!