Knead the ingredients in the food processor a medium-stiff yeast dough. Let rise covered for an hour, knead briefly together, dust with rye flour and place in proofing basket.
Let rise for another 45-60 minutes in a warm place. In the meantime, preheat the oven to 250 °C.
Since this bread is baked in a cast-iron pot, also heat the pot with lid for half an hour.
Turn the bread dough out onto a baking paper and then put it into the hot pot with the lid in the preheated oven.
After 15 minutes, turn the temperature down to 180 °C and bake for another 35 minutes, then remove the lid and bake for another 10 minutes without the lid.