Boston Cream Pie

Name: Boston Cream Pie
Prep time: 30 min
Cook time: 47 min
Total time: 1 h 17 min
Cuisine: American
Ingredients: 3 large eggs; 5 large egg whites (reserve yolks for the pastry cream); 1 cup plus 2 tablespoons whole milk; 2 tablespoons vanilla; 2 1/2 cups plus 2 tablespoons sugar; 2 1/2 cups pastry flour; 1 1/2 tablespoons baking powder; 1 tablespoon salt; 3 sticks unsalted butter, at room temperature; 1 pound bittersweet chocolate; 1 pound semisweet chocolate; 1 pound unsalted butter; 2 cups heavy cream; Pastry Cream, chilled, recipe follows; 4 cups whole milk, infused with thyme and orange zest, strained; 1 cup sugar, divided; 1 tablespoon pure vanilla extract; 2 large eggs; 5 large egg yolks; 6 tablespoons cornstarch; 1 1/2 cups heavy cream, cold