Wash grapes thoroughly.

Separate pulp from skins placing pulp in small sauce pan and skins in medium sauce pan.

Heat pulp (medium low heat) until soft (approx 10 min).

Remove pulp from heat and run through colander or food mill to remove seeds.

Add pulp to skins and cook until it comes to a boil.

In separate bowl, combine sugar & cornstarch mixing well, then add to boiling pulp & skins.

Let cook for 2-3 minutes.

Remove from heat and let cool 5 minutes.

Put in crust lined pie shell, add top crust making a few small slits for venting & cook 1 hour at 350 degrees.