Makes enough frosting for about 2 dozen cupcakes
1 cup (2 sticks) of unsalted butter, room temperature
6-8 cups of powdered sugar
1/2 cup of milk
1.5 tsp vanilla extract
1. In an electric mixing bowl fitted with the paddle attachment or if you don't have an electric mixing bowl use a large bowl and an electric mixer, mix the butter until smooth and creamy (a few minutes).
2. Add 4 cups of the sugar, the milk and vanilla and on low speed mix until combined.
3.Add two more cups of sugar and on low speed mix until light and fluffy. If you need to, add the remaining two cups of powdered sugar.