1 lemon, thinly sliced
1 orange, zest and juice
50g/2oz fresh white breadcrumbs
1 tbsp demerara sugar
175g/6oz demerara sugar
250g/10oz self-raising flour, plus extra for rolling
butter, for greasing
175g/6oz cold butter, cut into 2cm/¾in cubes
150g/5oz shredded suet