Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
     1/2           cup  unsalted butter
  2             ounces  unsweetened chocolate
     1/3           cup  unsweetened cocoa powder
  2          teaspoons  vanilla
  2               cups  powdered sugar
     2/3           cup  sour cream

Preparation:

Combine butter and chocolate in a heavy saucepan, over a low flame heat and stir until melted and smooth transfer to a stainless bowl whisk in cocoa powder and vanilla whisk in half of the powdered sugar and sour cream whisk in remaining sugar whisk in enough of the remaining sour cream to a spreadable consistency use as desired

Nutritional Information:

205 Calories (kcal); 13g Total Fat; (54% calories from fat); 1g Protein; 23g Carbohydrate; 26mg Cholesterol; 9mg Sodium