Enriched doughs: brioche and challah

The nature of enrichment

Enriched doughs sit in a different category from lean breads. While a standard country loaf relies on just flour, water, salt, and wild yeast, brioche and challah introduce fats, eggs, and sugar into the mix. These additions alter the structure of the crumb, making it tender, soft, and cake-like. When you work with these ingredients, you are modifying how the liquids interact with the starches. The fats coat the starches, slowing down water absorption and resulting in a much softer final texture — one that stays fresh longer than a lean loaf.

For those used to a rustic rye sourdough or a standard white loaf, the physical behaviour of enriched dough can be surprising. It is often incredibly soft and prone to tearing if handled too roughly. When preparing a wild yeast version of brioche, your levain build must be active and balanced to carry the heavy load of butter and eggs. Unlike lean doughs, which can tolerate some neglect, enriched doughs require careful temperature monitoring to prevent the fat from melting out during the mixing stage.

Mastering the butter addition

True brioche is famous for its high butter content, often exceeding 50 percent of the flour weight. Incorporating this much fat requires patience and a systematic approach. You cannot simply dump all the butter in at the start, as this coats the flour particles and prevents the liquid from hydrating them properly. Instead, you must mix the flour, eggs, sugar, and yeast first, allowing the mixture to form a cohesive, elastic mass before adding the butter.

The butter must be softened but still cool to the touch, around 16 degrees Celsius. If it is too warm, it will melt and turn the mixture into a greasy soup; if it is too cold, it will remain in hard lumps. Add it in small chunks, a tablespoon at a time, waiting until each piece is fully incorporated before adding the next. “Patience is your main ingredient here,” as my grandmother used to say when making sweet holiday loaves. By the end of this process, the dough will be shiny, smooth, and incredibly elastic. A metal bench scraper is invaluable at this stage to help lift and move the tacky dough on your work surface without tearing it.

The art of the braid

Challah, while also enriched, differs from brioche in its fat source and its structure. It traditionally uses oil rather than butter, and it contains more eggs, giving it a characteristic golden crumb and a slightly chewy texture. The beauty of challah lies in its presentation, usually formed into intricate braids of three, four, or six strands. Achieving a beautiful braid requires rolling out even strands that are slightly tapered at the ends.

When shaping, do not use too much flour on your workspace, as the strands need a bit of friction to roll out smoothly. If the dough keeps shrinking back, cover it with a damp cloth and let it rest for ten minutes to relax. Braiding should be snug but not tight. If you pull the strands too tightly, the loaf will tear or burst unevenly in the oven as it expands… a disappointing result after so much careful work.

Getting the bake right

Baking enriched doughs requires a lower oven temperature than lean breads. Because of the high sugar and fat content, these loaves will brown very quickly. A temperature of 175 degrees Celsius is usually ideal, allowing the interior of the loaf to bake through completely without the exterior burning. Brushing the loaf with a simple egg wash just before it goes into the oven gives it that classic, high-gloss deep chestnut finish.

Environmental factors also play a huge role in how these rich doughs perform. If you are working in a mountain environment, adjustments for high-altitude baking will be necessary, as the lower atmospheric pressure causes the dough to rise much faster, potentially weakening the structure before the bake. Keeping a close eye on the volume expansion, rather than just relying on the clock, ensures success.