Paul Hollywood hazelnut and orange biscotti recipe on Bake Off masterclass

Paul Hollywood make delicious Italian hazelnut and orange biscotti on The Great British Bake Off masterclass.

The ingredients are: 250g plain flour, plus extra for dusting, ½ tsp baking powder, 250g caster sugar, 3 medium free-range eggs, beaten, 200g chopped hazelnuts and 1 large orange, finely grated zest only.