preheat oven to 375˚
dust a clean counter with flour, roll the pie crust out just a little bit to reach 12 inches
cut 12 circles with a round 3-inch cookie cutter
gently ease the crusts into a regular muffin pan, pinching together where needed
refrigerate until ready to use
meanwhile whisk the sugars, flour, and salt together in a mixing bowl and set them aside
then mix the milk, butter, egg, and vanilla together and pour in the dry ingredients, stir together
finely chop the pecans and stir into the pie mixture
divide the pie mixture between the chilled pie crusts
bake in the preheated oven for 20 - 25 minutes or until pie is set and the crusts are lightly browned
cool for 10 minutes on a cooling rack and then gently ease the pies out of the muffin pan using a butter knife as needed
serve warm or cold
refrigerate after 24 hours