Step 1

Preheat the oven to 350°F (180°C).

Step 2

Roll out the pie crust and line a 9-inch (23cm) pie tin with it. Pour the chopped pecans into the crust and set aside.

Step 3

In a large bowl, blend granulated sugar, brown sugar, butter, flour, and salt together until combined.

Step 4

In a separate bowl, whisk the buttermilk, eggs, and vanilla together, then add to the butter and sugar mixture and blend to combine.

Step 5

Pour the filling on top of the pecans and place the pie in the oven.

Step 6

Bake for 1 hour and 20 minutes or until set.

Step 7

Let cool for several hours before cutting.

Step 8

Store this pie, loosely covered, in the refrigerator for up to 2 days.