cook bluberries,sugar,water on med. till softened. in measuring cup, mix cornstarch and water,then add to blueberries to thicken.

in food processor, add flour,margarine,and pecans. pulse till forms dough.

bake crust for 20 min. and cool

mix cream cheese, 1/2c. sugar

fold in cool whip

spread blueberry mixture over crust.

cover blueberry mixture with cream cheese mix.

opt. sprinkle with toasted pecans