STEP 2 - ADD WATER: Make a well in your dry mixture and mix in 350 ml of lukewarm water. The warm water will activate the yeast, a living fungus ... expand and makes the bread rise even more.

STEP 2 - ADD WATER: Make a well in your dry mixture and mix in 350 ml of lukewarm water. The warm water will activate the yeast, a living fungus ... expand and makes the bread rise even more.

That's because the fermentation process involved in making genuine sourdough bread makes the bread more resistant to mold.