Roll out pie dough for the bottom crust on a floured surface, fit it to your pie pan, and set it aside.
Combine the frozen cherries, sugar, cornstarch, salt, and almond extract in a pan and cook over medium heat. Stir occasionally until the mixture is thickened. It should take between 8-10 minutes.
Remove it from the heat and allow it to cool.
Pour mixture into your prepared bottom pie crust.
Roll out your top pie crust and cut slits.
Place it over your cherry pie filling.
Trim excess pie dough from around the edges.
Crimp as desired.
Mix together your egg and milk to make your eggwash, and brush it over top of your pie crust.
Preheat your oven to 365 degrees.
Bake for 45-60 minutes.
The crust should be a golden brown and the filling bubbly.
Remove from oven and let it cool before slicing.