Ghirardelli’s Hot Fudge Sauce
- In a heavy saucepan, combine the chocolate (broken into 1/4" pieces) , butter, sugar, water, and light corn syrup. Stir the mixture continuously over medium heat until the chocolate and butter have melted and the sugar has dissolved. When the sauce comes to a boil, lower the heat and continue boiling gently for 10 minutes. Remove the thickened sauce from the heat, and stir in the vanilla extract. Store covered in the refrigerator.
- To reheat, place in a small microwave-safe bowl. Microwave on medium 6 to 8 minutes, stirring after the first 3 minutes.