Currant Pie

This is a recipe to make
a fresh currant pie.

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

Directions:
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.
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.