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Preheat the oven to 375°F. Remove the pre-made pie crusts from the fridge and let them sit on the counter for about 10 minutes. Squeeze lemons removing any from the juice. Set aside.
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Peel, core and slice the apples into 1/2 thick pieces. Set them aside.
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In a small mixing bowl stir together the brown sugar, all-purpose flour, ground cinnamon, allspice, and nutmeg .
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Add apples to a large mixing bowl. Pour in the lemon juice and gently mix to coat the apples.
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Then add the dry ingredient mixture to the bowl and gently stir everything together.
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Press one of the premade pie dough rounds into a 9-inch pie dish, draping the excess dough over the edge.
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Carefully spoon the coated apples into the pie dish, then use a spoon or spatula to level the top of the pie.
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Place the small cubes of butter over the apples evenly.
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Top the pie with the second pie dough crust. Pinch the two crusts together along the rim of the pie, then cut off any excess dough with a knife.
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Cut four 2-inch vents in the center of the top crust to allow the steam to escape during the baking process.
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Using a hand mixer or stand mixer, whisk the egg white until it becomes slightly foamy. Then brush the top of the pie with the egg white. Discard any remaining egg white.