Stretch and Fold: The Simple Technique That Builds Better Bread

If kneading is the old school approach to building gluten, stretch and fold is the modern sourdough baker's equivalent. It is gentler, requires less effort, and works with the fermentation process rather than fighting against it. If you are new to sourdough, this is the most important physical technique to learn after mixing.

How to Do It

Wet your hands so the dough does not stick. Grab one side of the dough in its container, stretch it upward until you feel resistance (do not tear it), then fold it over to the opposite side. Rotate the container 90 degrees and repeat. Do this four times total, once from each side (north, east, south, west). The entire set takes about thirty seconds.

That is one set. Most recipes call for three to four sets spaced 30 minutes apart during the first two hours of bulk fermentation. After the last set, leave the dough undisturbed for the remainder of bulk.

Why It Works

Each stretch aligns the gluten proteins and each fold layers them, building a stronger and more organized network with minimal effort. Unlike kneading, which forces rapid gluten development through mechanical action, stretch and fold works gradually, letting fermentation (and the autolyse) do most of the work. The folds also redistribute temperature and food sources throughout the dough, ensuring even fermentation.

How to Know When to Stop

After three to four sets, the dough should feel noticeably different from when you started. It should be smoother, more elastic, and hold its shape better when you lift a portion. If you tilt the container, the dough should move as one cohesive mass rather than flowing like batter. If it still feels slack and formless after four sets, do one or two more sets at 30-minute intervals.

Stretch and fold is beautifully simple. It takes seconds per set, requires no equipment, and produces results that rival intensive kneading. Once you have the feel for it — that gradual transformation from loose and sticky to smooth and structured — you will never go back to kneading sourdough by hand.