2 1/2 sq. bitter chocolate
2 c. granulated sugar
1/4 c. light cream (or milk)
2 tbsp. butter
1 tsp. vanilla

Put the chocolate, sugar, butter and cream (or milk) in the top of a double boiler over boiling water. Stir until the chocolate melts. Continue cooking until a drop reaches soft ball stage in cold water. Remove from heat and cool; add vanilla.

Pour 1/3 on top of the bottom layer. Place top layer on and paint the sides with a spatula. Pour remaining icing on top to cover the entire cake.