Chocolate Silk Pie

Bahan-bahan (8 porsi)

• 3 ounces unsweeted baking chocolate (bar)
• 3 cups milk (divided)
• 1 ⅓ cup granulated sugar
• 3 tablespoons all-purpose flour
• 3 tablespoons cornstarch
• 2 tablespoons unsweetened cocoa powder
• ½ teaspoon salt
• 3 egg yolks
• 2 tablespoons butter
• 1 teaspoon vanilla extract
• 1 Oreo cookie crust (6 ounce size)
• ¾ cup whipped cream (your choice of kind)
• 1 tablespoon chocolate shavings (garnish)