Prepare the Tart Dough:

1. Preheat oven to 350 degrees F and set aside a 9 inch tart pan 
2. Place flour, salt, and sugar into the bowl of a food processor and pulse to combine.
3. Slowly add the chilled and cubed butter to the flour mixture and pulse in between each addition until pea-sized lumps form 
4. Continue pulsing and add ice cold water at a slow stream and process until the dough comes together into a ball
5. Remove the dough from the food processor and place on a floured surface
6. Knead the dough until fully combined and reaches the perfect consistency (add flour if needed)
7. Divide the dough in half and wrap each piece with plastic wrap and refrigerate for 30 minutes before using
8. Once the dough is chilled and you are ready to roll out your tart shell, lightly flour the surface and roll out the chilled dough into an ⅛ inch thick
9. Shape the dough into the 9 inch tart pan, pressing the center and sides down 
10. Refrigerate the tart shell for 10 minutes before baking
11. Remove the tart shell from the refrigerator and place a piece of parchment paper on the top of the dough and fill the shell with pie weights or rice to pre bake the tart shell
12. Pre bake the shell for 10 minutes 
13. If the dough still seems to be undercooked remove the pie weights from the tart shell and continue baking for 4 minutes)
14. Remove the pre baked tart shell from the oven and allow it to cool completely while you are making the filling 

Prepare the Filling:

15. In a large bowl, whisk together the all the ingredients for the Lemon Buttermilk Cheese Tart

16. Once the tart shell is pre baked, pour the filling into the tart shell and bake for 15-16 minutes or until the filling has puffed up and has a very light golden color around the edge 
17. Remove the tart from the oven and allow it to cool completely before removing it from the tart pan
18. The Lemon Buttermilk Chess Tart is best refrigerated before serving to allow the filling to set 
19. Dust the top of the tart with powdered sugar, slice into desired size and serve!