Double Chocolate Pudding

Ingredients
3/4 cup sugar
1/3 cup baking cocoa
1/4 cup cornstarch
1/8 teaspoon salt
3 cups fat-free milk
1 (5 ounce) can evaporated milk
1 ounce German sweet chocolate, grated
1 teaspoon vanilla extract
1/4 cup whipped topping

Directions
In a large heavy saucepan, combine the sugar, cocoa, cornstarch and salt. Gradually add the milks. Bring to a boil over medium heat; cook and stir for 2 minutes or until thickened. Remove from the heat. Stir in grated chocolate and vanilla. Spoon into individual serving dishes. Serve warm or cold with whipped topping.