1 (9 inch) pie crust, unbaked
4 c. fresh or 16 oz. frozen blackberries
1 c. sugar
1 c. sour cream
3 tbsp. flour
1/4 tsp. salt

TOPPING:

1/4 c. bread crumbs
2 tbsp. sugar
1 tbsp. melted butter

Put blackberries in pie crust. Cream together next 4 ingredients and pour over blackberries. Combine topping ingredients and sprinkle over pie. Bake at 375 degrees for 40 to 45 minutes. Delicious served with vanilla ice cream.