Sourdough is a bread made by the fermentation of dough using wild lactobacillaceae and yeast. Lactic acid from fermentation imparts a sour taste and improves keeping qualities.

What is the difference between sourdough and normal bread?

Sourdough and regular bread are leavened differently. While regular bread is leavened with packaged yeast, sourdough bread is leavened with Lactobacillus bacteria and wild yeasts. ... Fermentation gives sourdough its distinctive sour flavor and light, airy texture.

What exactly is sourdough bread?

Sourdough is naturally leavened bread, which means it doesn't use commercial yeast to rise. Instead, it uses a 'starter' – a fermented flour and water mixture that contains wild yeast and good bacteria – to rise. This also produces the tangy flavour and slightly chewy texture you'll find in sourdough.