2 1/4 cups whole milk, divided 1/2 cup granulated sugar, divided Pinch of kosher salt 2 tablespoons cornstarch 3 tablespoons unsweetened cocoa powder 1 large egg 2 large egg yolks 5 ounces semisweet or bittersweet chocolate, finely chopped 2 tablespoons unsalted butter, cut into pieces 1 teaspoon vanilla extract Lightly whipped cream, for serving Gather the ingredients. In a medium saucepan, combine 2 cups of the milk with 1/4 cup of the sugar and the salt. Bring to a boil ov