Lemon Butter Frosting
["1/4 c. butter", "3 c. powdered sugar", "2 Tbsp. lemon juice", "1 to 2 Tbsp. cold water", "dash of salt"]
["Cream butter and sugar.", "Add liquid and salt.", "Makes 3 1/2 cups of frosting."]
["butter", "powdered sugar", "lemon juice", "cold water", "salt"]