Blackberry Pie
["1 (9-inch) deep dish pie shell, unbaked", "2 c. fresh blackberries", "1 c. sugar", "2 Tbsp. quick cooking tapioca", "2 1/2 Tbsp. butter or margarine"]
["Combine the blackberries, sugar and tapioca in a large bowl and let set, uncovered, for 20 minutes. Spoon into unbaked pie shell.", "Cut the butter or margarine on top.", "Cover with crust. Bake 15 minutes at 400\u00b0. Reduce heat to 375\u00b0 and bake for 45 minutes more."]
["dish pie shell", "fresh blackberries", "sugar", "tapioca", "butter"]