- 1/2 cup light corn syrup
 - 1/3 cup boiling water
 - 2 (1 ounce) squares semisweet chocolate
 - 1 tablespoon butter (no substitutes)
 - 1/4 cup sugar
 
- In a heavy saucepan, bring the corn syrup, water, chocolate and butter to a boil; boil for 4 minutes, stirring constantly. Add the sugar; boil 2-3 minutes longer or until sugar is dissolved. Cool to room temperature. Store in the refrigerator. This sauce can be reheated in the microwave.