The pie crust and caramelized apples can be prepared and refrigerated separately for up to 3 days. Refrigerate for up to 1 week, or freeze for up to 2 months. Light brown sugar >> dark brown sugar.
Lately, I have been baking this pie a lot, having discovered that the pâte brisée bottom crust stays crispy for two days, the apples cook perfectly and the crumb topping remains a bit crispy!