Stir all ingredients into the 30 ° C heated buttermilk. Pour the dough into a well-greased and floured loaf pan. The dough does not need to rise before baking.
Bake at 150 ° C for approx. 2 - 2 1/2 hours. Put a cup of hot water in the oven.
Tip: The bread also tastes great with rye sourdough.