So here's my take on the classic American dish. Really is just a slightly deconstructed apple crumble. I've also added oats to make the topping gorgeously comforting and a little extra cinnamon just to help make this dish extra warming for the winter.
The Granny Smith apples hold together well during baking and give a tangy sweet but not overpowering. However, use Bramley apples if you prefer.