Combine and mix flour, sugar, vanilla, salt and egg at medium speed
for 5 min. or until smooth. Stir in blueberries, pour into 9 inch
pastry shell, bake at 400 for 25 minutes. Combine: 3 T flour, 3 T
oleo, and 3 T. pecans. Sprinkle over top of pie. Bake 10 minutes
more. Chill before serving.