200gunsalted butter at room temperature, cubed, plus a little for greasing
For the filling
450gapples, peeled, cored and cut into 1cm/½in pieces
50gbrown sugar
1tbspplain flour
1pinchground cinnamon
Instructions
Preheat the oven to 160C Fan.
Place the flour, salt and sugar in a large bowl and mix well. Taking a few cubes of butter at a time rub into the flour mixture. Keep rubbing until the mixture resembles breadcrumbs and all the butter is incorporated. If you want an extra bit of texture and fibre you can add a few oat flakes at this point.
Place the fruit in a large bowl and sprinkle over the sugar, flour and cinnamon. Stir well, being careful not to break up the fruit.
Butter a 24cm/9in an ovenproof dish. Spoon the fruit mixture into the bottom, then sprinkle the crumble mixture on top.
Bake for 40–45 minutes until the crumble is browned and the fruit mixture bubbling.