Chocolate Meringue Pie Recipe

Ingredients

• Pastry dough (for a 9-inch single-crust pie)
• 1 cup sugar
• 1/2 cup cocoa powder
• 3 tablespoons cornstarch
• 1/4 teaspoon salt
• 2 cups milk
• 3 egg yolks
• 1 teaspoon vanilla extract
• 3 egg whites
• 6 tablespoons sugar (for meringue)