1/3 c. butter
2 sq. (1 oz. each) unsweetened chocolate
2 sq. (1 oz. each) semi sweet chocolate
1 c. sugar
1 c. heavy cream
1/8 tsp. salt
2 tsp. vanilla

In large heavy saucepan, melt butter and the chocolates over very low heat. Blend in sugar, cream and salt. Stir over low heat until hot and sugar is dissolved, about 5 minutes. Remove for heat; stir in vanilla. Serve warm. Makes about 2 1/3 cups.

Note: Store any leftover sauce, covered in refrigerator. To serve, stir over very low heat until hot, adding a little hot water if too thick or grainy.