Apricot Pie

sliced apricots (or enough to fill your pie dish with a heaping pile)

sugar

cornstarch

juice of 1/2 lemon

vanilla or almond extract (optional)

crust pie dough

all purpose flour (plus more for rolling)

salt

( 1 and a half sticks) unsalted butter, cold and cut in pieces

shortening (I used butter flavor Crisco)

ice water