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Fermented Sauces & Pastes
Learn to ferment harissa, chili sauce, and curry paste for bold flavor.
with Rachel de Thample
Fermented Sauces & Pastes
Learn to ferment harissa, chili sauce, and curry paste for bold flavor.
with Rachel de Thample
Get Rachel’s Fermented Sauces: Recipes & Tips and continue learning from her beyond the presentation.
GET THE fermented RECIPEs & tips
“Overnight Starter Cheat. For a faster sourdough starter, replace the water with a live-culture liquid such as kombucha, water kefir, dairy kefir, or thinned yogurt. You can also stir the powder from a probiotic capsule into the water. This can help your starter begin bubbling within 12–24 hours.“
Rachel de Thample is an award-winning author who has worked in food, health, and sustainability for more than 25 years.
She teaches fermentation and gut health at River Cottage in Devon and has held leading roles with the College of Naturopathic Medicine, Abel & Cole, and Waitrose Food Illustrated.
Rachel has written eight books, including Tonics & Teas and the award-winning River Cottage Fermentation Handbook. Her latest book, The Fermentation Year, will be published by Bloomsbury in September 2026.
Explore Rachel’s book, The Fermentation Year, and courses
“Overnight Starter Cheat. For a faster sourdough starter, replace the water with a live-culture liquid such as kombucha, water kefir, dairy kefir, or thinned yogurt. You can also stir the powder from a probiotic capsule into the water. This can help your starter begin bubbling within 12–24 hours.”
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You’ll also receive lifetime access to every summit presentation, plus the Ask the Experts live fermentation Q&A, the Fermentation Summit Playbook, exclusive speaker bonuses, and edited presentation transcripts.
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You’ll also receive the Ask the Experts live fermentation Q&A, the Fermentation Summit Playbook, exclusive speaker bonuses, and edited presentation transcripts.

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