9-inch baked pastry shell or crumb crust, cooled
5 sections (1/2 oz. each) HERSHEY'S Unsweetened Chocolate
Baking Bar, broken into pieces
3 cups milk, divided
1-1/3 cups sugar
3 tablespoons all-purpose flour
3 tablespoons cornstarch
1/2 teaspoon salt
3 egg yolks
2 tablespoons butter or margarine
1-1/2 teaspoons vanilla extract
Sweetened whipped cream(optional)
1. Prepare pastry shell; cool.
2. Combine chocolate and 2 cups milk in medium saucepan; cook
over medium heat, stirring constantly, just until mixture boils.
Remove from heat.
3. Stir together sugar, flour, cornstarch and salt in medium bowl.
Blend remaining 1 cup milk into egg yolks; stir into sugar mixture.
Gradually add to chocolate mixture. Cook over medium heat, stirring
constantly with wire whisk, until mixture boils; boil and stir 1 minute.
Remove from heat; stir in butter and vanilla.
4. Pour into prepared pastry shell; press plastic wrap directly onto surface. Cool; refrigerate until well chilled. Top with whipped cream, if desired
. 8 to 10 servings.