02Preheat oven to 200 degree celsius.03Roll out dough on lightly floured surface to 12-inch round. Transfer to 9-inch-diameter glass pie dish. Trim out the excess pastry dough; turn the edge under and crimp decoratively. Refrigerate while preparing the filling and topping.04Mix all ingredients in a large bowl to coat the apples. Keep it aside05Blend all ingredients, except butter in a processor. Add chilled butter cubes; using on/off turns, cut in until mixture resembles wet sand.06Toss filling to redistribute juices; Arrange the filling into the crust, mounding in center.07Pack topping mixture over and around apples. Bake the pie on a baking sheet until topping is golden, about 40 minutes (cover top with foil if browning too quickly).08Reduce oven temperature to 160 degree Celsius. Bake until apples in center are tender when pierced and filling is bubbling thickly at edges, about 30-40 minutes longer. Let it stand for about an hour and serve.09Serve the Apple Crumble Pie Recipe warm as it is with cold vanilla ice cream. You can also serve it cold with a delicious cold vanilla custard drizzled over. It's sure to make a hit with family and friends when serve this as a Party Dessert.