Why Didn’t I Get Oven Spring?
Oven spring is the rapid rise your dough gets during the first part of baking.
If your loaf didn't rise much in the oven, it is usually linked to fermentation, dough strength, shaping, scoring, or baking conditions.
The good news?
Oven spring is something you can improve by understanding what your dough is telling you.
What is oven spring?
Oven spring is the final burst of expansion that happens when your sourdough first enters the hot oven.
During this stage:
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gases already inside the dough expand
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the yeast becomes temporarily more active
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water turns into steam
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the dough stretches before the crust sets
This is what helps create a lighter loaf and those beautiful air pockets inside.
Why didn't my sourdough rise in the oven?
There are a few common reasons.
1. Your dough was under-proofed
If your dough hasn't fermented enough before baking, it may not have developed the structure and gas needed for a strong rise.
You may notice:
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a tight crumb
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a dense loaf
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large cracks or unexpected splits
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a loaf that feels heavy
The dough simply needed more time.
2. Your dough was over-proofed
This surprises many beginners.
More fermentation does not always mean a better loaf.
If your dough ferments too far, the gluten structure can weaken.
You may notice:
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dough that spreads
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a flatter loaf
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little rise in the oven
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a softer, weaker dough
3. Your starter wasn't strong enough
Your starter is the engine behind your sourdough.
A starter that is not active enough may struggle to create enough gas in your dough.
Before baking, your starter should generally be:
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bubbly
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active
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showing signs of fermentation
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able to rise predictably after feeding
4. Your shaping didn't create enough strength
Shaping helps your dough hold the gases created during fermentation.
If there isn't enough surface tension, your dough may spread instead of rising upwards.
Remember:
Good shaping supports good fermentation.
It cannot replace it.
5. Your score didn't allow expansion
Your score gives your dough a planned place to open.
If the cut is:
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too shallow
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uneven
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made with a blunt blade
your loaf may struggle to expand where you want it to.
6. Your baking environment wasn't hot enough
Sourdough benefits from strong heat at the beginning of baking.
Things that can affect this:
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oven temperature accuracy
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baking method
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cold vs preheated equipment
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opening the oven too early
Your cold Dutch oven method can still work beautifully, but consistency matters.
Does every sourdough loaf need a big ear?
No.
This is important.
A lot of sourdough online is judged by dramatic scoring and huge ears.
But a loaf can have:
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beautiful flavour
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a soft crumb
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great texture
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a lovely rise
without looking like a bakery showcase loaf.
The goal is delicious bread, not perfection.
How can I improve my oven spring?
Focus on the foundations:
✓ strong, active starter
✓ correct fermentation
✓ good dough strength
✓ gentle shaping
✓ confident scoring
✓ fully heated baking environment
Oven spring is usually the result of many small things working together.
Nikki's note
When I started, I thought oven spring was the sign that I had finally "made it."
I chased the perfect rise.
But over time I realised the best loaves aren't always the ones with the biggest jump.
Learning why your dough behaves the way it does is what gives you confidence.
Related guides
Continue troubleshooting:
👉 Why Is My Sourdough Dense?
👉 Why Is My Bread Gummy Inside?
👉 Why Did My Loaf Spread?
👉 Why Is My Crust Too Hard?
👉 Overproofed vs Underproofed Dough