FAQs

Our products are not a 1:1 substitute for instant yeast, so using our carefully tested recipes is the easiest and best way for most people to bake.

If you’re a confident baker (you know what a “preferment” is or use baker’s math) you can easily adapt and elevate most recipes. Visit our Experienced Baker Guide for conversion charts and best practices.

If you have any questions please contact us at info@leavenfoods.com

Reseal the bag tightly after each use and keep the desiccant pack inside. Store in a cool, dry place, ideally in the refrigerator. To preserve shelf life, allow the bag to come to room temperature before opening it after cold storage. Avoid moisture above all.

Yes! Our microbes are carefully cultivated to replicate the natural wild yeast and bacteria found in sourdough, ensuring a truly authentic experience.

We rigorously test each batch for allergens like gluten, dairy, and soy, ensuring they contain less than 20 parts per million (ppm). However, please note that the product is processed in a facility that also handles dairy, nuts, and wheat.

Our instant sourdough cultures are designed for convenience while maintaining the traditional wild fermentation process. No need to feed or maintain a starter, just mix and bake!

We recommend using the product within 4 months of opening for optimal performance.

Yes! Our culture is versatile and can be used in a variety of baked goods, including pancakes, waffles, leavened cookies, bagels, donuts, pizza dough, and more. Experiment to find your perfect recipe!
No feeding is required. Our instant culture is a one-time-use formula designed for easy baking with no ongoing maintenance. Use it like you would baker’s yeast.
Leaven’s Instant Sourdough is a mix of bacteria and wild yeast which offers a deeper, more complex flavor profile in comparison to baker’s yeast. Baker’s yeast acts predominantly as a leavening agent, whereas Leaven’s Instant Sourdough also contributes beneficial bacteria for a health friendly baked good.

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