A thick chocolate flavored syrup made from chocolate, corn syrup and thickeners. Chocolate syrup can be used for making hot or cold chocolate beverages or as a dessert sauce over ice cream or other confections.
Hershey's brand comes in squeeze bottles or cans.
Whisk all ingredients except vanilla in a small saucepan. Bring the mixture just to the simmering point. Remove from the heat, add vanilla, stir. Use hot or refrigerate and use chilled.