Blackberry Crumb Pie

1 c Sugar

8 oz Commercial sour cream

3 tb All-purpose flour

1/8 ts Salt

4 c Fresh blackberries

1 Unbaked 9-inch pastry shell

1 tb Sugar

1/4 c Fine dry breadcrumbs

1 tb Sugar

1 tb Butter or margarine; melted

Recipe by: Southern Living

Combine first 4 ingredients; stir well. Place blackberries in unbaked pastry shell; sprinkle 1 tablespoon sugar over berries. Spread sour cream mixture over berries. Combine breadcrumbs, 1 tablespoon sugar, and butter; sprinkle over top. Bake at 375 degrees for 45 to 50 minutes or until -----