Expert: Elyse Grau - 1/18/2010

Question
Explain the basic principles of mechanical aeration in sponge mixes

Answer
Richard:

The only use of a sponge that I am familiar with is in bread making. Is that what you are asking about? There is no mechanical aeration in a sponge. A sponge allows for the early fermentation of the yeast. This changes the flavor and texture of the bread. It may or may not be considered an improvement, depending on what you are looking for. It gives a moister crumb, a crackly crust and a chewy texture. The flavor is more pronounced, and depending on how long the sponge is allowed to ferment, can be close to a sourdough.

Is there some larger question behind these two?

Elyse
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