The FAQ Series: Yeast

This post likely would have been much more helpful about fourteen months ago, when the baking craze started in full force, but better late than never. Hopefully people still bake on occasion? Today we’re going to talk about yeast, a reasonably simple subject that gets complicated surprisingly quickly.

Before we get into the precise details of the baking yeast we use today, it’s important to understand just a bit about the history of bread and leaveners in general. A leavener – basically anything that makes dough rise – can be physical, chemical or biological in nature. Physical leavening agents are air and steam, which might be incorporated either through mixing or through the oven’s heat. Chemical leaveners, most often baking soda and baking powder, create a chemical reaction that causes doughs to rise. And finally, yeast acts as a biological leavener; yeast is a microscopic organism that consumes simple sugars and creates carbon dioxide gas as a byproduct of fermentation, which in turn causes dough to expand. Yeast cells used in baking are found either in commercial packaged form or wild in a starter.

Yeast-risen doughs really are simpler than this picture makes them seem.

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Farm update: September 28

Aspens Fall

How are things in your world, friends? It’s officially autumn here, with clear bluebird days and crisp, cool nights; the destructive Pine Gulch fire, sparked at the end of July about seventy miles away, is thankfully entirely contained. Our neighboring orchards are nearly all harvested, and our task list is packed with tidying, organizing, preserving, cleaning and stocking up for what we hope is a very snowy winter.

Hay Delivery 01 sml

Hay for animal feed has to stay dry at all costs.

The winter feed for our alpacas and llama has been delivered and safely stored in our de facto hay barn. As this is our first year with the animals, we had to guess on quantities and are hoping that we won’t find ourselves out of hay in frigid January with no green pasture on the near horizon – in a situation like that, a hay farmer will be able to charge us whatever he wishes, and rightfully so. Our llama, Kingston, has already figured out that with some crafty contortionist maneuvering he can reach the fresh bales through the corral panels. Bless his tenacity, and his flexible neck.

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The sourdough bandwagon

Here’s what N and I have learned in the five-odd weeks since this madness really kicked off: the things we’ve been doing for years – growing food, baking bread, keeping chickens, buying only secondhand, cutting our own hair – are exactly what all of America seems to want to do right now. Listen up, everyone: we’re cool and we’re on-trend and we are probably influencers too. We’re going to call ourselves influencers, anyway. We’d like to influence you to bake sourdough, mostly because no one can find any yeast yet people still really, really like fresh bread.

Sourdough 05 sml

Really, what’s better than fresh bread and good butter?

I’m not at all surprised by the gardening and the bread baking, truly. People have extra time on their hands and want to do something both purposeful and satisfying, plus spring has arrived in most places and it’s a pleasure to be outside. But the sourdough thing? That did take me by surprise, as sourdough has a reputation for being so tricky and difficult and obsessive and a little weird because people name their sourdough starters and refer to them as pets. But then of course all of the country’s commercial yeast disappeared somewhere so it’s only natural that everyone would turn to sourdough, and people also need new pets in this time of isolation, kind of like Wilson in Castaway, so it all sort of makes sense.

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