Double Chocolate Chocolate Pie

2 pkgs (4 serving size) Jello Chocolate or Chocolate Fudge Flavor Pudding and Pie Filling
3-1/2 cups milk
2 tbls butter or margerine
2 squares Bakers semi-sweet chocolate
1 baked 9" pie shell cooled

Combine pie filling, milk and milk in saucepan; add butter and chocolate. Cook and stir over medium heat until mixture comes to a full bubbling boil. Remove from heat. Cool 5 minutes, stirring twice. Pour into shell and chill 3 hours. Garnish with whipped topping and chocolate curls, if desired.