Let the pie cool completely first. Tightly wrap the entire pie in plastic wrap, then again in aluminum foil. Frozen blueberry pie will keep for up to 2 months. Thaw overnight in the refrigerator ...

Set aside 1 tablespoon of the sugar for topping the pie. In a small bowl, whisk together the remaining sugar, the flour, and salt. Set aside. Place the berries in a large bowl, sprinkle the sugar ...