Mom's Lemon Meringue Pie recipe - from the The Kenworthy/Slaughter Family Cookbook Project Family Cookbook

Ingredients

• 4 egg yolks (reserve whites for meringue)
• 1/3 cup cornstarch
• 1 1/2 cups water
• 1 1/3 cups sugar
• 1/4 teaspoon salt
• 3 tablespoons butter
• 1/2 cup lemon juice
• 1 tablespoon finely grated lemon zest
• 1 (9-inch) pre-baked pie shell
• Mom's Meringue Topping:
• 4 egg whites
• 1 pinch cream of tartar
• 2 tablespoons sugar