Blackberry Pie
["4 c. blackberries", "2 c. sugar", "4 Tbsp. tapioca", "1/4 tsp. salt", "1/2 stick butter or margarine", "2 Tbsp. lemon juice"]
["Mix first 4 ingredients together and add lemon juice and mix. Place in unbaked 9-inch pie shell.", "Bake at 450\u00b0 after putting butter on top.", "Cover with strips and then bake.", "Check after 20 minutes.", "Temperature adjustment may be necessary.", "Bake until done."]
["blackberries", "sugar", "tapioca", "salt", "butter", "lemon juice"]