While apple crumble is a classic for a reason ... Your favourite crushed-up biscuits are always welcome, while adding nuts, chocolate chips, desiccated coconut or rolled oats to your flour ...

until you have a lovely crunchy biscuit topping. Set aside; if continuing to cook the apple crumble immediately, leave the oven on. To make the filling, heat a wide, shallow, heavy-bottomed pan ...

Mary Berry’s apple crumble with walnuts takes this classic pudding up a notch with a deliciously crunchy topping that’s set to be a real crowd-pleaser. The addition of walnuts and sunflower ...