1 c. sugar
2 tbsp. cornstarch
2 c. boiling water
2 pouches of Baker's chocolate or 2 sq. Baker's chocolate, melted
4 tbsp. butter
2 tsp. vanilla

Combine sugar and cornstarch. Stir in boiling water gradually. Add in chocolate. Boil 1 minute, stirring constantly. Add butter and vanilla. Stir until blended.