Peel and dice the potatoes then boil them for about 15 minutes or until tender Drain and then mash thoroughly Leave to cool
Sift the flour and salt into a bowl then add the yeast caraway seeds and black pepper
Add the sweet potato and rub it in well
Add enough water to make a soft dough and knead until smooth and elastic
Leave the dough in a warm place until doubled in size 1-2 hours
Knock back the dough on a floured surface and knead again briefly Place in a greased loaf tin and leave to rise again for another 30 minutes
Preheat the oven to 200C/400F/ gas mark 6 and bake the loaf for 30-35 minutes until the bread is risen golden brown and sounds hollow when tapped underneath