Sourdough proofing time varies, but typically involves a bulk fermentation (4-5 hrs on counter) followed by a cold proof (10-16 hrs overnight in fridge) for flavor and structure, baking straight from the fridge or after a short room temp rest (30-60 mins). You can also do shorter room temp proofs (1-3 hrs), but the key is watching the dough's appearance, not just time; it should look puffy and pass the "poke test" (slow spring back).
For this recipe, rest for at least 30-45 minutes (or when time permits, I'll do 1 hour for an even softer, more manageable dough). To learn more about common sourdough bread terms read my Sourdough Baking Glossary.
Allow the dough to rest, covered, on the countertop for 30 minutes. This will allow the natural enzymes in the flour to create a more easily workable and shapeable dough that will have a better texture. Uncover the dough and sprinkle the salt evenly over the surface.
Feed it with 30g of strong white flour + 30g of water, stir it well, and allow it to become fully active and ready to use, this can take 2-6 hours depending on the room temperature. If you feel that the mix feels a bit thin, add a tablespoon more of flour.
How long should you take sourdough out of the fridge before baking? Usually about 4-12 hours depending on how mature your starter is and how warm your kitchen is.
The biggest mistake beginners make with sourdough is treating it like a rigid recipe instead of a living process, leading to issues like using an immature starter, under-proofing (fermenting too little), or not understanding dough feel and temperature, resulting in flat loaves; they often rush, bake too soon, or don't develop enough dough strength or proper hydration for their flour. Learning to "read the dough" and observe fermentation signs over strict timing is crucial.
Depending on the room temperature, let the dough sit for at least 1 to 2 hours. If your kitchen is cooler, it may need a bit more time. It's crucial to ensure that the dough reaches an even temperature throughout, which directly affects how well it can be shaped.
Why cold-proof anyway? Cold proofing sourdough involves placing it in the refrigerator for an extended period, normally over 5 hours and up to 48 hours. Over several hours the dough slowly decreases in temperature and extends the final part of the fermentation process.
Over proofed dough is dough that has bulk fermented too long. You can visually tell if your dough is over proofed when it lacks structure, caves in, is stringy, very sticky, unmanageable, etc.
Can I leave my starter out overnight? Yes, if you have just fed it. Since the night is rather long, feed it in a 1:4:4 ratio so that's not over fermented by the morning. If for example you use a 1:1:1 ratio, the starter would peak in the middle of the night, and collapse significantly by next morning.
Baker's Tip: As a general rule of thumb, the sets for high hydration doughs (wet dough) can be spaced closer together because the dough is slack; about 15-30 minutes apart. For low hydration doughs (dry, stiffer dough), the gluten will need more time to relax, about 30 minutes to 1 hr.
High starter quantities speed up fermentation and lower quantities slow down fermentation. For example, a recipe with 20% starter may finish bulk fermentation in 5 hours and at 10% starter, it may take 8 hours.
If you over-ferment the dough you run the risk of the gluten structure degrading and the loaf turning into a puddle of goo before your eyes, never to be retrieved and destined for the bin.
And I'm here to tell you that it does, it works perfectly, as the loaf below shows too…the crust is crisp, the crumb is even, and the cost is less! If your question is 'surely I need to preheat the oven to get maximum oven spring? ' Then hopefully my loaves are showing that you don't.
A cold starter will rise very slowly. A warm starter will rise quickly, but it can also collapse quickly because the gluten content breaks down more quickly in warm temperatures. What temperature will kill my starter? If your starter reaches a temperature of 130F/54C, the yeast cells will die off.
If your recipe calls for a 1- to 3-hour rise at room temperature (either first or second rise), opt for a long (8- to 12-hour) rise in the refrigerator. It can last up to about 16 hours, depending on the recipe, but be careful not to let the bread dough overproof.
Well-fermented dough has a light, airy, even crumb. A well-fermented loaf has a tall shape. Basically, the Instagram glamour shots of sourdough loaves are generally “perfectly proofed” loaves. Under and over-proofing results in dense, flat, unattractive loaves.
You can poke your finger in your dough, and if it bounces back slowly, it's ready to be shaped into your beautiful loaves.
If your room/dough temp is less than 70F with a starter of 20% or less, then it's probably safe to BF on counter overnight, either shape and bake or shape and fridge the next morning.
The 12 hour proof is just a starting point. In reality anything from 12 hours to 48 hours in the fridge will make a great loaf of bread. This means you can bake when you're ready.
Once i take it out of fridge or freezer I find it easier to handle if it's just slightly chilled below ambient room temp. from fridge that's usually 2-3 hours. from freezer that is usually 3-4 hours.
When you put your dough in the fridge it slows the yeast activity down. It takes ten times longer for dough to rise in the fridge than it does at room temperature. This means you can put your dough in the fridge overnight or whilst you are at work and come back to it when you are ready.
There's no need to let dough that's been correctly fermented to come to room temperature before baking. You can absolutely bake it straight from the fridge. If your dough needs further BF, then you can let it come to room temp and finish fermenting.
The proofing time for bread dough varies based on the dough's makeup (amount of preferment, flour choices, and hydration) and the temperature at which it's proofed. The dough should generally be proofed for around 1 to 4 hours at a warm temperature or overnight (or more) at a cold refrigerator temperature.