Posted By Tessie2.

Ingredients.

6 tablespoons butter or margarine
5 tablespoons milk
2 (1-ounce) squares unsweetened baking chocolate
4 cups powdered sugar
1 teaspoon vanilla extract

Directions.

Combine butter, milk and chocolate in small saucepan. Cook over medium heat, stirring occasionally, until mixture comes to a full boil (5 to 7 minutes). Remove from heat. Add powdered sugar; beat until smooth. Stir in vanilla.

Makes 2 cups.