This takes me back to childhood when the sound of a pull-tab popping on a can of Snack Pac made my heart sing, and I risked injury to my tongue just to lick off any little bits of pudding sticking to the top of the can. Now they are made from plastic... where's the fun in that??? Adapted from Bon Appétit magazine. 1 cup sugar 2 T cornstarch 2 T unsweetened Dutch-process cocoa powder pinch of kosher salt 4 egg yolks 2 cups whole milk 1 cup heavy cream 1/2 vanilla bean, split lengthwise, or 1 t vanilla bean paste (much easier) 6 oz. bittersweet chocolate, melted (I used a combination of dark and bittersweet from Trader Joe's) 1 T unsalted butter 1 t vanilla whipped cream and crushed pretzel thins (I just got to thinking that chocolate-covered pretzel thins or chocolate-covered potato chips from Trader Joe's might be divine) for topping In a heavy saucepan, whisk the sugar, cornstarch, salt and cocoa powder. In a medium bowl, whisk yolks, milk, cream and van