Cinnamon Icing

Directions

1. 1
   Place the butter in a large mixing bowl.
2. 2
   Blend with an electric mixer on low speed until fluffy, 30 seconds.
3. 3
   Stop the machine and add the confectioner's sugar, 3 tbsp of milk, and vanilla.
4. 4
   Add cinnamon; blend with the mixer on low speed until the sugar is incorporated (approximately 1 minute).
5. 5
   Increase the speed to medium and beat until light and fluffy (at least 1 minute).
6. 6
   Blend in up to 1 tbsp of milk if the frosting seems too stiff.