Sour Orange Pie Recipe

Ingredients

• 1 cup sugar
• 5 tablespoons cornstarch
• 1/2 teaspoon salt
• 1 cup water
• 2 teaspoons grated sour orange peel, or 1 teaspoon each grated lemon and orange peel
• 1 1/2 cups fresh sour orange juice, strained or 1 cup orange juice and 1/2 cup lemon juice
• 4 egg yolks, beaten
• 2 tablespoons unsalted butter
• 1 9-inch baked pie shell
• 4 egg whites
• 1 teaspoon sour orange or lemon juice
• 1/2 cup powdered sugar