113g (1/2 cup) unsalted butter, softened at room temperature
113g regular or light cream cheese, softened at room temperature
320g (~2 cups) powdered sugar
2 ½ milliliters (1/2 teaspoon) vanilla
Instructions
In a small bowl, stir together the butter, brown sugar and cinnamon; set aside
In the large bowl of an electric mixer, beat the butter and cream cheese until smooth and creamy; add the sugar and vanilla and mix on low speed until combined then increase to medium-high speed and beat until light and fluffy
Remove bowl from mixer and fold in the brown sugar mixture but do not mix completely