Chocolate Butter Frosting
1/2 cup soft butter
1 pound sifted confectioners' sugar (about 4 1/4 cups sifted, 3 3/4 cups unsifted)
1 teaspoon vanilla extract
3 squares melted unsweetened chocolate
3 tablespoons heavy cream or half-and-half (more or less)
Cream soft butter; gradually add sifted confectioners' sugar. Add dash of salt, vanilla extract, melted chocolate, and about 3 tablespoons of cream. Beat until smooth and spreading consistency, adding more cream if necessary.