For the yogurt bread, knead flour, salt, yeast and water into a smooth dough. Spread with the yogurt and let rise, covered, in a warm place for 25 minutes.
Work the yogurt into the dough with a dough hook and let rise in a bread basket, covered, for another 60 minutes.
Preheat the oven to 220°C / top and bottom heat and bake the yogurt bread in it for 45-50 minutes.