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What is sourdough bread made of?

Sourdough bread takes flour, water and table salt directly. Trace them back and you pass 7 made things on the way to 10 raw materials.

How sourdough bread is made See it on the map

What goes straight in

From the ground: 10 raw materials

Made along the way: 5 things

Chemicals and fuels 2

Body and health 1

Food 2