For the Pastry Cream:
1⅓ cups heavy cream
3 egg yolks
⅓ cup granulated sugar
Pinch of salt
4 teaspoons cornstarch
2 tablespoons unsalted butter, chilled and cut into 2 pieces
1½ teaspoons vanilla extract
For the Cupcakes:
1¾ cups all-purpose flour
1 cup granulated sugar
1½ teaspoons baking powder
¾ teaspoon salt
12 tablespoons unsalted butter, softened but still cool, cut into 12 pieces
3 eggs
¾ cup whole milk
1½ teaspoons vanilla extract
For the Chocolate Glaze:
¾ cup heavy cream
¼ cup light corn syrup
8 ounces bittersweet chocolate, finely chopped
½ teaspoon vanilla extract
Do It And How 