Finnish Blueberry Pie - cooking recipe

Ingredients

Crust
2 1/4 cups flour
1/3 cup whipping cream
1 egg
1/3 cup sugar
3/4 cup butter
Filling
2 pints blueberries
sugar (optional)
1 teaspoon breadcrumbs or 1 teaspoon potato flour

Preparation

Make the butter soft and add sugar to it; If using it.
Mix eggs, cream, and flour.
Do not beat the dough.
Dough must stand in cool place for 15 minutes.
Preheat the oven to 350\u00b0F Dough must be rolled out into a thin sheet and laid into the greased baking sheet, shaping and raising the edges all away around.
Sugar is then mixed with blueberries, if using, and the potato flour or breadcrumbs.
Then the filling is spread on the dough, bake untill the crust is brown.
Take out of oven and let it sit until pie is cooled down ten minutes and then serve.