Unless you genuinely enjoy making your own pie crust—an activity some find soothing and others find frustrating—there’s no reason not to buy ready-to-bake crusts, which have greatly improved since the brittle store-bought crusts of yore. And with this pie’s secret gingersnap layer, nobody will miss the effort, least of all you. Make sure to get gingersnaps, which are brittle, as opposed to soft ginger cookies.
