Chocolate Cream Pie

Name: Chocolate Cream Pie
Prep time: 30 min
Cook time: 20 min
Total time: 50 min
Cuisine: American
Ingredients: 24 Oreo cookies with filling, crushed into crumbs; 4 tablespoons unsalted butter (melted and cooled); 2½ cups half-and-half; Pinch salt; ⅓ cup granulated sugar, divided; 2 tablespoons cornstarch; 6 egg yolks (at room temperature); 6 tablespoons unsalted butter, cold and cut into 6 pieces; 6 ounces semisweet or bittersweet chocolate (finely chopped); 1 ounce unsweetened chocolate (finely chopped); 1 teaspoon vanilla extract; 1½ cups heavy cream; ⅓ cup powdered sugar; ¾ teaspoon vanilla extract