The liquid level should come close to the top of the crust but not overflow.
Carefully slide the baking sheet with the pie into the preheated oven. Bake at 400°F (200°C) for 20 minutes to help the crust start to set and the filling begin to thicken around the edges.
After 20 minutes, reduce the oven temperature to 350°F (175°C) without opening the door if possible, and continue baking for another 30–40 minutes. The edges of