Chocolate orange swirl bread

g/4oz unsalted butter, softened, plus extra for greasing

g/5½oz caster sugar

oranges, finely grated zest only

green cardamom pods, seeds only, ground

salt flakes, ground

ml/11fl oz full-fat milk, at room temperature

g/3¼oz 0%-fat Greek strained yoghurt

g/1lb 9oz strong white flour, plus extra for dusting

g/⅓oz fast-action yeast

g/4oz dark chocolate (80% cocoa solids), roughly chopped

g/2½oz ground almonds

g/2½oz flaked almonds

cocoa powder

bird’s-eye chilli, finely chopped and seeds removed

ground ginger

ground cinnamon

large pinch freshly grated nutmeg

free-range egg, lightly beaten

cacao nibs