01 -
Beat butter and sugar in a large mixing bowl until creamy.
02 -
Add flour, salt, and eggs. Beat until smooth.
03 -
Add buttermilk, lemon juice, and vanilla and blend well. Don't worry if the mixture appears slightly curdled.
04 -
Pour filling into the 9-inch pastry crust. A deep dish works best.
05 -
Place pie pan on a cookie sheet and bake in a preheated 180°C (350°F) oven for 50-55 minutes or until lightly browned on top and mostly set.
06 -
Place pie on a cooling rack and allow to cool completely. Serve at room temperature and refrigerate any leftovers.