Grandma Jones Whipped Chocolate Frosting

Grandma has a cute story she shares about this recipe and how she got it in her written stories.

½ cup butter or margarine
1 ½ square unsweetened chocolate (baking chocolate)
¼ cup Milk (or cream)
½ teaspoon salt
1 teaspoon vanilla
1 ½ - 2 cups powdered sugar

In double boiler melt butter and chocolate. Mix together other ingredients and then add the melted butter and chocolate- mix well then set in pan of ice and ice water. Beat with rotary beater until a light brown in color and creamy consistency (like creamed cheese).