CRUST:

1 c. graham crackers, crushed
1/2 c. vanilla wafers, crushed
1 c. flour
1 c. nuts, chopped
1 c. butter, softened

FILLING:

1 (8 oz.) pkg. cream cheese
1 c. powdered sugar
1 tsp. vanilla
1 lg. Cool Whip
1 can blueberry pie filling

CRUST: Combine all ingredients; place in baking dish. Bake at 400 degrees for 10 to 12 minutes.

FILLING: Combine ingredients (except blueberries). Spread over crust. Top with blueberry filling. Chill 6 to 8 hours.