My lovely friend Sally Longo, who, like me, had a Hungarian grandmother, gave me this family heirloom, along with this note: “My Hungarian grandmother Matilda made these tarts from a recipe that dates back to the mid-1800s. The oldest woman in our family makes them every year at Christmastime and divides the spoils among her children and grandchildren. That used to be my grandmother, then my mother, and is now me. It’s not Christmas in our family without th