2Mix sugar, cornstarch, salt, and cinnamon, and sprinkle over blueberries.
3Line pie dish with one pie crust. Pour berry mixture into the crust, and dot with butter. Cut remaining pastry into 1/2 - 3/4 inch wide strips, and make lattice top. Crimp and flute edges.
4Bake pie on lower shelf of oven for about 50 minutes, or until crust is golden brown.
Footnotes
Tip
Aluminum foil can be used to keep food moist, cook it evenly, and make clean-up easier.