Set aside to cool. For the crumble topping, add the flour to a mixing bowl and rub in the butter until the mixture resembles fine breadcrumbs and no large lumps of butter are left. Stir in the ...

Tip the crumble topping over the fruit and then sprinkle over the remaining 1 teaspoon of ground ginger. Pop into the oven and cook for about 25 minutes or until the crumble is just going golden ...