Red Currant Pie - cooking recipe

Ingredients

1 1/2 cups all-purpose flour
1 teaspoon baking powder
1/2 cup butter, softened
1/2 cup white sugar
2 egg yolks
1 1/2 teaspoons grated lemon zest
2 egg whites
1/2 cup white sugar
2 teaspoons cornstarch
2 1/4 cups red currants

Preparation

To Make Dough: In a medium bowl, sift together flour and baking powder. Mix in butter, sugar, egg yolks and lemon zest until mixture forms dough. Let rest in cool place for 30 minutes.
Preheat oven to 325 degrees F (165 degrees C). Roll out dough and put into a springform pan.
Bake in oven for 25 minutes, or until golden yellow.
To Make Filling: In a medium bowl, beat egg whites until stiff. Gradually stir in sugar and cornstarch; beat for 5 minutes. Fold currants into mixture and pour into pie crust.
Bake in oven for 10 minutes, or until top is lightly browned.