How to Store Sourdough Bread
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After spending a day or two nurturing a loaf of sourdough, the last thing you want is for it to go stale or soft too quickly. The way you store your bread has a big impact on how long it stays delicious, and the right approach depends on whether you want to preserve the crackly crust, keep the crumb soft, or save a loaf for weeks. With a few simple habits you can enjoy your bread at its best long after it comes out of the oven.
First, always let your loaf cool completely before storing it. This can be hard when the smell is calling to you, but cutting or wrapping a warm loaf traps steam and leads to a gummy crumb and a soft crust. A fully cooled loaf has finished setting its interior and released excess moisture, which means it will store far better. Give it at least a couple of hours on a wire rack before you think about wrapping it up.
For the first day or two, sourdough keeps beautifully at room temperature with the cut side placed down on a wooden board or counter. This simple method protects the crumb while leaving the crust exposed so it stays crisp. If you prefer, a paper bag or a bread box also works well for short term storage because it allows a little air flow. Avoid sealing a fresh loaf in plastic right away, since trapped moisture softens that crust you worked so hard to create.
As the loaf ages past the first day, you can wrap it in a clean kitchen towel or a linen bread bag to slow moisture loss. The crust will gradually soften over time no matter what, which is natural, and by day three the bread is often at its best for toasting rather than eating fresh. Keeping sourdough on the counter for up to three or four days is realistic, especially since its natural acidity helps it resist mold longer than many store bought breads.
One thing to avoid is storing sourdough in the refrigerator, because the cold actually speeds up staling through a process that firms up the crumb faster than room temperature does. If you cannot finish a loaf within a few days, the freezer is a far better choice than the fridge. Slice the loaf first, then wrap it tightly or seal it in a freezer bag so you can pull out individual pieces as needed without thawing the whole thing.
Frozen sourdough keeps its quality for a couple of months, and reviving it is easy. Toast frozen slices straight from the freezer, or refresh a whole loaf by running it briefly under water and warming it in a hot oven for several minutes to bring back a crisp crust and soft interior. This oven refresh trick works wonders on any day old loaf, turning slightly stale bread into something that tastes freshly baked all over again.