Old Dough saved for the next batch of Susan's Oatmeal Toasting Bread
Last week, my impossible bread was actually a batch of poolish (a wet starter) that sat on my counter for an extra day, was partially used and fed the next day as if it were sourdough, and fed again the next. (Maybe another day was involved there, I'm not sure.) When I finally decided that I wasn't going to have time to bake for another few days, I was left with a sizeable amount of decent starter: semi-sour, roughly 100% hydration, happily bubbling.
I couldn't bake with it, but I couldn't bear to throw it away. What to do, what to do...?
To do this, divide the dough into a number of pieces, each about the size of a softball. If the dough is particularly "sour" smelling, and you are not a fan of that sort of tang, you may want to make smaller pieces. In some cases, a recipe will call for a certain amount of old dough; Susan's popular Oatmeal Toasting Bread, for example, uses 10 ounces (pictured above).
Knead each piece just a moment to take out as much air as possible then wrap each piece tightly in two layers of plastic wrap. Place the pieces of dough into a freezer bag or similar container and freeze up to three months (or a year, if you lose it in the bottom of the chest freezer...not that I would know anything about that...). Make a note of whether or not the dough has salt in it on the freezer bag - if it does not, you'll need to add a little extra when you bake bread with the old dough.
When you're ready to bake bread again, let one piece of old dough thaw - a loosely covered bowl on the counter overnight works well. Make sure the bowl is big enough to hold the dough when it rises, which it will do while you sleep. You can speed the thawing process by floating the bag with the dough in a bowl of warm water, but don't microwave it.
The next day, break the dough into a few pieces and add it to the mixing bowl once the wet and dry ingredients begin to incorporate. Add extra salt if needed.
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