Suddenly I remembered this thread 
Some weeks ago I changed from yeast to sourdough. Since then I also eat less sweet things like jam or honey on the bread, as other things fit better.
Edit: Here’s the recipe:
I usually don’t use a recipe for my bread as it’s very simple: 300g water, 500g flour, one teaspoon of salt, one teaspoon of sourdough or a small amount of yeast. Bake after 24 hours 
Ok, maybe one day I could write it down a bit more detailed
Actually, a while ago I wrote a page for keeping my and my friends recipes:
Feel free to use if you like It’s “quick and dirty” PHP, still needs a rewrite in elixir/phoenix with all the features I have in mind, but atm its “good enough”.