From the author: The Salted Maple Pie is our signature flavor at Sister Pie because it is an homage to the bakeries where I got my professional chops: Momofuku Milk Bar in Manhattan and Four & Twenty Blackbirds in Brooklyn. It is reminiscent of the addictive quality of both Milk Bar’s Crack Pie and Four & Twenty’s Salty Honey Pie. We created our own version of a classic chess filling with robust Grade B maple syrup from Imlay City, Michigan and highlighted with local heavy cream, eggs…