Lemon Meringue Pie

Ingredients (14)

• Dough for single-crust pie
• 1 cup sugar
• 1/4 cup cornstarch
• 3 tablespoons all-purpose flour
• 1/4 teaspoon salt
• 2 cups water
• 3 large egg yolks, beaten
• 1 tablespoon butter
• 1/4 cup lemon juice
• 1 teaspoon grated lemon zest
• MERINGUE:
• 3 large egg whites, room temperature
• 1/4 teaspoon salt
• 1/2 cup sugar