Prepare graham cracker crumbs into the pie plate or cake pan. 1/4 cup butter and graham crumbs
In a large bowl mix the cream cheese and sugar and add in 1 cup blueberries and cool whip.
Continue mixing until blended together
Pour mix into pie plate and smooth out.
Refrigerate for approximtely 2 hours, or until you can't wait anymore
For Blueberry sauce add 1 cup berries into a small saucepan.
Add 1/4 cup sugar, 2 tablespoons cornstarch and 1/2 -1 cup water bring to a boil on low heat until desired thickness. If sauce becomes thick, add a tablespoon of water.