Buttercream Frosting

I have been trying to incorporate more healthy fats into my cooking so I decided to make my buttercream frosting with just real butter and no shortening for my son's first birthday.  It worked well for frosting and was delicious.  I didn't do anything really elaborate with the decorating so this worked.  If you need a stiffer icing, I would suggest using royal icing.  

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Simple Buttercream Frosting:

1 C. (2 sticks) real butter, slightly softened
4 C. sifted powdered sugar
2 Tbsp. milk
1 tsp. vanilla

Whip all in a mixer until you have a delicious and fluffy frosting.  (Start slowly or your powdered sugar will go everywhere.)  You can color with icing colors or use as a white frosting.