Start with the method your recipe was written for
Cold proof is the final rise of shaped dough in the fridge. In The Perfect Loaf’s published method, a wheat dough is mixed to a target of 78°F (about 25–26°C). It goes through folds and bulk, then gets shaped, covered and rested on the counter briefly before chilling. It is scored and baked cold. Use the recipe for its formula, bulk cues, oven setup and bake instructions. Its overnight time belongs to that sequence. [1]
Fermentation slows as dough cools. The middle of a loaf takes time to cool, even after the basket goes into the fridge. A dough that entered the fridge warm and well expanded can develop differently from a cooler or earlier dough on the same shelf. Measure the fridge where the loaf will sit if you are troubleshooting, and note the dough’s condition at shaping. [3] [2]
Work backwards from the time the loaf goes into the oven
Say you want to load the loaf at 09:00. Subtract 16 hours and you get a fridge time of 17:00 the day before. This is a worked plan based on the published recipe. Your shaping and preheating windows have to fit around it.
| When to check | What to do |
|---|---|
| Before the 17:00 fridge target | End bulk when the recipe’s signs agree. Leave time for preshaping, the bench rest, shaping and the specified rest before chilling. |
| At 17:00, if the dough is ready | Cover the basket as the recipe directs and put it on the shelf you checked. Record the actual time and how the dough looked. |
| The next morning | Preheat on the recipe’s schedule. Leave the loaf covered and chilled until the oven and baking vessel are ready if the method calls for a cold bake. |
| Around 09:00 | Score and bake as directed, then cool before slicing. Record when the loaf went in and how it handled on release. |
The 09:00 time is when the loaf enters the oven. Add bake and cooling time if 09:00 is when people expect bread on the table. When you write a plan, put “oven” and “slice” on separate lines. [1] [4]
What to do if the evening runs later than planned
Suppose the dough is still tight when you expected to shape, and it enters the fridge at 19:00 instead of 17:00. If you bake at 09:00, you get 14 hours in the fridge. Moving the bake to 11:00 restores the planned 16 hours on paper. First check whether that revised time fits your day and whether the dough’s state and fridge conditions still match the method. Use this as scheduling arithmetic. A shifted clock cannot account for a change in dough development.
If you are already at the basket stage and the fridge is running warmer than usual, note the difference and use the recipe’s allowed range and cues rather than treating the original finish time as fixed. If the dough was still unshaped when you ran out of time, you are deciding whether to refrigerate during bulk. The overnight instructions for a shaped loaf apply after that step. [3] [2]
Crispy Crust’s planned bake timeline would let you record when the basket actually went into the fridge and see how that shifts the morning bake and cooling windows. That is handy when shaping finishes later than the time you wrote down.
Try the sourdough schedule calculator with your recipe’s stage durations, then adjust the plan to what your dough shows.