Lemon Meringue Pie

Name: Lemon Meringue Pie
Prep time: 20 min
Cook time: 30 min
Total time: 3 h
Yield: 8
Ingredients: Ingredients; Lemon Filling; 1 1/4 cups granulated sugar; 1/4 cup cornstarch; 1/4 teaspoon salt; 1 1/2 cups water; 4 large egg yolks; 1/3 cup fresh lemon juice (about 2-3 lemons); 1 tablespoon lemon zest; 2 tablespoons unsalted butter; 1 9-inch pre-baked pie crust (homemade or store-bought); Meringue; 4 large egg whites; 1/4 teaspoon cream of tartar; 1/2 cup granulated sugar; 1/2 teaspoon vanilla extract