through 90º repeatedly. This process continues for around 10 minutes, until the dough is slightly elastic and smooth. The dough can then be proofed.
Once baked, this will allow strong, well-risen bread with many small air pockets. If the dough was to be proofed and baked without kneading, the ingredients would not mix very well and the resulting bread would be very weak, and full of large air pockets. For a similar reason, it is better to use strong bread flours rather than normal plain flour.
Similar to kneading is punching down the dough, which is sometimes performed after proofing the dough. It is done in order for the bread to undergo a second proofing. Its aim is to remove any large air pockets which have formed in the dough.
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