Microbial Leavening

Microbial (also called “biological”) leavening is the grandaddy of all leavening techniques. It dates back to when the first human mistakenly left his bowl of gruel sitting out while he rushed off to join the village mastodon hunt. The result was what we now call a “starter”. And while the biology of microbial leavening can be a bit complex, mechanics are pretty simple: yeasts, as a by-product of their consumption of sugar, create bubbles of carbon dioxide in a dough. Those bubbles fill with steam in the oven, expanding the loaf and lightening its texture. Elementary, my dear Watson.

This entry was posted in Baking Basics, Leavening Methods, Microbial Leavening. Bookmark the permalink.

6 Responses to Microbial Leavening

  1. June says:

    Hi Joe
    How are you…please I need some clarification with regards to yeast products…on grocery shelfs I notice yeast label as : Fermipan 2 in 1 soft with bread improver…Fermipan 2 in 1 super with bread improver , what are your views as to which one to use when it comes to making crossaints/danish etc. as compare to making bread.

    • joepastry says:

      Hi June! The “soft” is going to be more for sweet yeast doughs. So if your Danish formulation has a lot of sugar go with that. Otherwise the Super will work just fine!

      - Joe

  2. Kate says:

    How do I make bread starter? Thanks for any help.

  3. Jim says:

    Hey Joe,

    Looks like your Starter link is broken… Do you have another? Thanks.

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