Follow the steps in order for the best result.
Begin by preparing your 8-inch double-crust pie shell, ensuring it's ready for the filling.
Carefully sort through your fresh blueberries, removing any stems or imperfect berries. Gently rinse them under cool water, then allow them to drain thoroughly in a colander.
Evenly drizzle the fresh lemon juice over the drained blueberries, tossing gently to coat.
In a separate medium bowl, whisk together the granulated sugar, all-purpose flour, fragrant grated lemon zest, warm ground cinnamon, aromatic ground nutmeg, and a pinch of salt until thoroughly combined.
Pour this dry mixture over the lemon-kissed blueberries. Gently toss everything together until each berry is lightly coated with the spice and sugar blend. This classic recipe truly shines with the freshest blueberries you can find, promising a juicy, fragrant, and utterly delicious pie.
Carefully spoon the prepared blueberry filling into your ready pie shell. Dot the surface of the fruit filling with small pieces of margarine (or unsalted butter).
Carefully place the second pie crust over the filling. Crimp or seal the edges firmly to create a secure enclosure. Using a sharp knife, make three small slashes on the top crust to allow steam to escape during baking.
Preheat your oven to 450°F (230°C). Bake the pie for precisely 10 minutes at this initial high temperature.
After 10 minutes, reduce the oven temperature to 350°F (175°C) and continue baking for an additional 30 to 35 minutes, or until the top crust is beautifully golden brown and the filling is bubbling invitingly.
Once baked, carefully remove the pie from the oven and transfer it to a wire rack. It's crucial to let the pie cool completely before attempting to slice and serve; this allows the filling to set properly, ensuring perfect slices every time.