1/2 c. of butter, room temperature
1 tsp. grated lemon rind
1 tsp. vanilla extract
Pinch of salt
3 1/2 c. confectioners' sugar
1/4 c. milk
1 tbsp. fresh lemon juice

In a mixer bowl, cream the butter, lemon rind, vanilla and salt until light and about 2 minutes. Add confectioners' sugar alternately with milk until the mixture is creamy and smooth, beating well after each addition. Beat in the lemon juice.