– In the bottom of a pie plate, mix the crust ingredients of flour, salt, and sugar
– make a well in the middle and add the oil and milk
– mix to form dough and press out into the pie pan as your crust
– in a small bowl, use a fork to mix the crumble topping of flour, brown sugar, salt, and butter
– sprinkle over apple pie filling
– bake
– cool completely and refrigerate