500g/1lb 2oz cooking apples, peeled, cored and sliced
250g/9oz blackberries
2 tsp shony (powdered seaweed)
75驳/2陆辞锄 porridge oats
100g/3陆oz soft dark brown sugar
75驳/2陆辞锄 caster sugar
15驳/陆辞锄 pumpkin seeds
25g/1oz sunflower seeds
100g/3陆oz plain wholemeal flour
25g/1oz butter
75驳/2陆辞锄 unsalted butter, chilled, cut into roughly 1cm/陆in cubes