Recipe by: Produce Pete's "Farmacopeia" ISBN Preheat the oven to 190ºC . Peel, core, and slice the apples and place in a large bowl. Add the sugar, cinnamon. and tapioca and stir together until the apples are well coated. Spoon the apple mixture into the pie shell. Dot with butter or margarine and set aside. For the crumb topping, place the flour, cinnamon, and sugar in a large bowl and cut in the butter with a pastry blender or two knives until the mixture has the texture of coarse cornmeal. Sprinkle the crumb mixture on top of the apples. Bake the pie for 40 to 45 mins. ----