Ingredients:
For the Crust:
1 ½ cups all-purpose flour
½ cup unsalted butter (cold, cubed)
¼ cup ice-cold water
1 tbsp sugar (optional)
For the Lemon Filling:
1 cup granulated sugar
¼ cup cornstarch
1 cup water
3 large egg yolks (reserve the whites for meringue)
½ cup freshly squeezed lemon juice (about 2-3 lemons)
1 tbsp lemon zest
2 tbsp unsalted butter
For the Meringue:
3 large egg whites
½ cup granulated sugar
¼ tsp cream of tartar
1 tsp vanilla extract..