Creamy Blackberry Pie
["3 c. fresh blackberries", "1 unbaked 9-inch deep dish pastry shell", "1 c. sugar", "1/3 c. all-purpose flour", "1/8 tsp. salt", "2 eggs", "1/2 c. commercial sour cream", "1/2 c. sugar", "1/2 c. all-purpose flour", "1/4 c. margarine"]
["Place blackberries in pastry shell.", "Combine 1 cup sugar, 1/3 cup flour and salt in a large bowl.", "Add eggs and sour cream, stirring until blended.", "Spoon over blackberries."]
["fresh blackberries", "pastry shell", "sugar", "all-purpose", "salt", "eggs", "sour cream", "sugar", "all-purpose", "margarine"]