Buttermilk-Lemon Chess Pie

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   ["Mix flour, salt, and sugar in a food processor. Add butter; pulse until pea-size pieces of butter form. Add 1/2 cup buttermilk; pulse until moist clumps form, adding more buttermilk by tablespoonfuls if too dry. Form into a ball; flatten into a disk. Wrap in plastic and chill for 1 hour.", "Preheat oven to 350u00b0F. Roll out dough on a lightly floured surface to a 14"" round. Transfer to pie pan; gently press onto bottom and up sides of pan. Trim dough, leaving a 1"" overhang; tuck overhang under. Crimp edges decoratively. Line with parchment paper or foil; fill with pie weights or dried beans.", "Bake crust until edges begin to brown, 30-35 minutes. Remove paper and weights; bake until golden brown, 25-30 minutes longer. Let cool completely.", "Preheat oven to 350u00b0F. Whisk first 4 ingredients in a medium bowl until well combined. Whisk eggs and remaining 6 ingredients in a large bowl (mixture may look curdled). Slowly whisk in dry ingredients. Pour filling into cooled crust and bake until custard is set around edges but jiggles slightly in center, 1 hour-1 hour 15 minutes. Let cool completely on a wire rack. DO AHEAD:"]

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