Yeast converts fermentable sugars into carbon dioxide and flavour compounds. In pastry, fermentation must be coordinated with dough strength, fat, sugar, temperature and production timing.
What matters technically
- Temperature strongly affects fermentation rate.
- Sugar and fat can slow fermentation in enriched doughs.
- Final proof should be judged by dough condition, not only the clock.
Common mistakes
- Compensating for cold dough with excessive yeast
- Following time without observing dough
- Proofing laminated dough at temperatures that melt butter
My approach
I treat this as a formulation and process problem rather than a fixed recipe. Ingredient ratios, temperature, mixing, baking or setting conditions must support the texture and flavour required in the finished dessert.