Paul Hollywood adds a twist to the traditional apple crumble topping with the addition of seeds, oats and shony, a sweet and salty powdered seaweed. Serve with custard, cream or ice cream.

Bake in the preheated oven for about 30 minutes. Push a butter knife into the centre to make sure all the apple chunks are soft. Let the crumble cool for about 15 minutes before serving.

Jamie Oliver has revealed an "easy" pear and blackberry crumble recipe that promises to be a straightforward and swift delight perfect for entertaining guests. Showcased in the chef's newest ...

Jamie Oliver has revealed an "easy" pear and blackberry crumble recipe that promises to be a straightforward and swift delight perfect for entertaining guests. Showcased in the chef's newest cookbook, ...