Creamy Coconut Pie With Divinity-Style Meringue

Ingredients

• 1 1/2 cups sugar
• 3 heaping tablespoons cornstarch
• 1/4 cup (1/2 stick) butter, melted
• 3 egg yolks
• 1 teaspoon vanilla extract
• 1 cup milk
• 1 cup evaporated milk
• 1 cup plus 3 tablespoons sweetened, flaked coconut, divided use
• 3 egg whites
• 1/4 teaspoon cream of tartar
• 1/2 teaspoon vanilla extract
• 1 jar (7 ounces) marshmallow crème
• 1 9- or 10-inch deep-dish pie crust, baked and cooled