This is a healthy twist on an apple ... so that the topping is not too fine. Add the muesli or oat/seed/nut mixture and the sugar and mix through. Use a spoon to sprinkle the crumble topping ...

Chill the crumble topping in the fridge while you prepare the apples. Peel the apples, cut in half, then into chunky slices, cutting out the core as you go. Toss the apple slices with the lemon ...

To serve, you can smother it in warm custard or simply top it with a scoop of vanilla ice cream - although it also pairs well with some Greek-style yoghurt. Jamie Oliver’s apple crumble recipe ...

Crumble mixture onto a lined baking tray and bake for 15 minutes or until golden and crisp ... half of your crumble topping. Decorate with spray roses and freeze-dried apple bits, placing them ...