3 squares (1 C) bitter chocolate
3 tbsp. butter
1/3 C potato flakes + 1/3 C hot water
1/8 tsp. salt
1 tsp. vanilla
1 lb. confectioners' sugar
Melt chocolate and butter. Add potatoes, salt and vanilla. Mix. Blend in sugar. Whip until smooth. Press into 8-inch square pan. Let set.