1 box chocolate chip cookie mix
1 box pistachio pie filling (instant)
1 sm. can Hershey's chocolate syrup
1 (12 oz.) container Cool Whip

Mix cookie mix, following directions on box; set aside. Butter pie pans and spread cookie mix to make pie crust. Bake 15 to 20 minutes at 350 degrees or until golden brown. Let cool; chill and serve.