Hot Fudge Sauce

This hot fudge sauce was one of the components of a Swiss Swirl Ice Cream Cake, the July Daring Bakers Challenge.Yield: 2 cups

Ingredients:

• 1 cup sugar
• 3 tablespoons unsweetened cocoa
• 2 tablespoons cornstarch
• 1 1/2 cups water
• 1 tablespoon butter
• 1 teaspoon vanilla

Directions:
Whisk the sugar, cocoa, cornstarch and water together in a small saucepan.

Heat over medium, stirring constantly, until the sauce begins to thicken (about 2 minutes).

Remove from heat and mix in the butter and vanilla.