Gather your mise en place; get together all of the equipment needed for the recipe and gather your ingredients.

Measure cornstarch and sugar into a bowl.

Measure all of the berries into a bowl.

Remove the Citrus juice is good and all but the zest (small pieces of citrus peel) has even more flavour! The oils in the peel of the fruit help to give off that citrusy taste and smell.zest of the orange with a rasp, and squeeze the juice into the berries.

Mix the berries together with the cornstarch and sugar.

Roll out the one pie dough slightly larger than the pie pan, and press into the pan, with the edges hanging over. Trim the edges with a paring knife.

Add the filling into the pie, and roll our the other pie dough to fit on top, adding a couple of slits to let the steam escape. Fold the top pie dough under the bottom pie dough, and crimp the edges.

Mix together the egg with 1 tablespoon of water, and brush the top of the pie with the egg wash.

Preheat the oven to 350°F and bake for 50 – 60 minutes until golden brown and bubbling.