combine 1 cup sugar, 1/3 cup flour, salt, sour cream and eggs. stirring until blended

place blueberries in pastry shell and spoon sourcream mix over blueberries

in another bowl combine 1/2 cup sugar and 1/2 cup flour. sprinkle the mixture over sour cream mixture over berries in the shell

bake @ 350 for 55 minutes or until lightly browned