Schedules
Same-Day Sourdough: From Mix to Bake in 8 Hours
When you don't have time for cold retard, here's how to bake great sourdough in a single day.
Short answer: mix in the morning, bulk 4–5 hours, shape, proof 2 hours, bake. Total 8 hours for a same-day sourdough that's still complex and well-fermented.
When same-day works
Same-day sourdough is right when:
- You have a full day at home
- You forgot to mix the night before
- You want fresh bread for dinner
- You're testing a new recipe
The trade-off: less complex flavor than overnight bakes, but still excellent.
The timeline
| Time | Action |
|---|---|
| 6 AM | Feed starter |
| 9 AM | Starter at peak; mix dough |
| 9 AM–2 PM | Bulk ferment with 4 folds |
| 2 PM | Shape, place in basket |
| 2 PM–4 PM | Final proof at room temp |
| 4 PM | Preheat oven |
| 5 PM | Bake |
| 6:30 PM | Slice for dinner |
Step by step
6 AM: feed starter
- 10g starter
- 50g flour + 50g water
- Place in warm spot (75–78°F)
9 AM: starter peak, mix dough
- 500g bread flour
- 350g water (70%)
- 100g starter (use it now!)
- 10g salt
- Mix shaggy, rest 30 min
9:30 AM–11 AM: folds
- Fold 1 (9:30 AM)
- Fold 2 (10:00 AM)
- Fold 3 (10:30 AM)
- Fold 4 (11:00 AM)
11 AM–2 PM: bulk
Continue bulk fermentation. By 2 PM, dough should have risen 50–60%.
If your kitchen is cool, allow more time. If hot, less.
2 PM: shape
Tip onto floured surface. Pre-shape.
Rest 30 min.
Final shape into a tight boule. Place seam-down in basket.
2:30–4:30 PM: final proof
Cover. Proof at room temp until passes finger-dent test (light dent springs back slowly).
4:30 PM: preheat
Dutch oven at 500°F for 60 min.
5:30 PM: bake
- Score
- Bake covered 18 min at 475°F
- Uncover, bake 22 min
7 PM: slice
Slice for dinner.
Why this is harder
Same-day sourdough requires:
- A vigorous starter (no time for revival)
- Warm kitchen (75–78°F for fast bulk)
- Attention throughout the day
- Better timing instincts
It's less forgiving than cold-retard schedules.
When same-day fails
Common reasons:
- Starter wasn't at peak when used
- Bulk too short (under-fermented)
- Bulk too long (over-fermented in warm kitchen)
- Final proof too short or too long
Use a clear container with marked levels for bulk visibility.
A faster version
For a 6-hour same-day:
- Use 150g starter (not 100g)
- Bulk 3 hours
- Proof 1.5 hours
- Bake
Faster fermentation, slightly less complex but works.
A slower version
If your starter is sluggish:
- Build a bigger levain
- Bulk 6 hours
- Total time 10 hours
Why the cold retard wins
Same-day:
- 8 hours
- Less complex flavor
- More flexibility risk
- Active engagement all day
Cold retard:
- Spread across 2 days but minimal active time
- Deeper flavor
- More forgiving
- Better blistering
For most home bakers, cold retard is preferred. Use same-day when you have to.
A weekend Sunday bake
Sunday morning:
- Wake up
- Feed starter (have coffee)
- Mix at 9 AM
- Bulk all day (with fold reminders)
- Bake at 5 PM
- Eat with Sunday dinner
A whole Sunday becomes a baking day.
A new baker's start
For your first sourdough:
- Same-day is easier to learn from
- You see all phases
- You can adjust mid-day
- The whole process is observable
After 5 same-day bakes, switch to cold-retard for ease.
A summer vs winter timing
Summer (warm kitchen, 78°F+):
- Bulk in 4 hours
- Proof in 1 hour
- Total 5–6 hours
Winter (cool kitchen, 68°F):
- Bulk in 7 hours
- Proof in 2.5 hours
- Total 10 hours
The recipe stays the same; the timing flexes.
A final note
Same-day sourdough is the schedule for spontaneity.
You woke up; you decided to bake. Eight hours later, fresh bread.
It's not the most complex flavor, but it's the most rewarding for "I made this today" moments.