This icing is great on anything! Even eaten by itself.
With hand mixer, beat butter, cream cheese and vanilla together on low-medium speed until smooth.
Add the powdered sugar one cup at a time, and mix on low-medium speed until you reach the desired consistency. Mix in optional cinnamon (optional).
Pipe or spread icing onto cooled cake or cupcakes. Garnish as desired (optional).
Photos by TheFrayedKnot.com