Why does my homemade sourdough bread always have a weird, unpleasant smell when it's freshly baked?

I feel your frustration! A weird, unpleasant smell in your freshly baked sourdough can be really off-putting. One thing that might be causing this issue is an overproofing of your dough. When your dough overproofs, it can start to break down and release compounds that give off that pungent smell. Try reducing your proofing time or keeping an eye on your dough's temperature and pH levels to see if that makes a difference.

Another possibility is that you're using a type of flour that's not suitable for sourdough. Some flours can have a higher protein content or a different type of gluten that can affect the smell of your bread. You might want to try switching to a bread flour or an all-purpose flour with a lower protein content to see if that improves the smell.

As for the yeast you're using, it's definitely possible that it's contributing to the smell. Some yeasts can produce more sulfur compounds than others, which can give off that chemical smell. You might want to try switching to a different type of yeast or a different brand to see if that makes a difference. Also, make sure you're storing your yeast properly and not letting it get too old - that can also affect the smell of your bread.

Lastly, don't forget to keep an eye on your oven temperature and make sure it's not too hot or too cold. A temperature that's off by even a few degrees can affect the way your bread smells. I hope these tips help you track down the source of the smell and create a delicious, fragrant loaf of sourdough that everyone will love!