Chill the pie dough until firm but pliable
Roll out the bottom crust and fit it into the pie dish
Add the pie filling
Roll out the top crust into a rectangle or circle
Cut the top crust into even strips
Lay half the strips vertically across the pie
Fold back every other vertical strip halfway
Place one horizontal strip across the pie
Unfold the folded vertical strips over the horizontal strip
Fold back the alternate vertical strips
Place another horizontal strip across the pie
Repeat until the lattice is complete
Trim the overhanging dough
Press the edges together to seal
Crimp the edges
Brush with egg wash or milk
Sprinkle with sugar if desired
Bake according to the pie recipe