PREPARATION :

1. Preheat oven to 350 degrees
2. To Make Lemon Filling: In a medium saucepan, whisk together 1 cup sugar, flour, cornstarch, and salt. Stir in water, lemon juice and lemon zest. Then please cook over medium-high heat and stir frequently until mixture comes to a boil. Stir in butter. Pick a small bowl and place in egg yolks and gradually