Lemon Meringue Pie Recipe

Ingredients

• 1 (9 inch) pie crusts, baked
• 1 1/2 cups white sugar
• 6 tablespoons cornstarch
• 1/4 teaspoon salt
• 1 1/2 cups water
• 1/2 cup lemon juice
• 1 teaspoon lemon zest
• 2 tablespoons unsalted butter
• 3 egg yolks, beaten
• 1 tablespoon cornstarch
• 1 tablespoon sugar
• 1/2 cup water
• 4 egg whites, at room temperature
• 1/2 teaspoon vanilla
• 1/4 teaspoon cream of tartar
• 1/2 cup sugar, preferably superfine