Leavening Agents

During the Feast of Unleavened Bread, Yahweh commands that no leavening be eaten or found on our premises, Exodus 12:19-20. Leavening is a substance used in doughs and batters that causes them to rise. Below are leavening agents and products found in a variety of foods that must be used up or removed by the Feast of Unleavened Bread along with a list of products often confused as leavening.

Leavening Agents and Products (please note that this is not an all encompassing list)

  • Yeast
  • Baker’s yeast
  • Active dried yeast
  • Baking powder
  • Baking soda
  • Cream of tartar (potassium bitartrate)
  • Sourdough
  • Sourdough starter
  • Ammonium carbonate
  • Ammonium bicarbonate
  • Potassium carbonate
  • Potassium bicarbonate
  • Dipotassium carbonate
  • Beer/wine/alcohol
  • Preparation H
  • Cat and dog foods with yeast
  • Toothpastes with baking soda

The below agents and products are often confused as leavening, but are not. 

  • Puffed cereals
  • Brewer’s yeast
  • Yeast extract
  • Autolyzed yeast extract
  • Soda pop
  • Egg whites
  • Alum
  • Sodium caseinate
  • Calcium carbonate
Print Friendly, PDF & Email
Posted in Uncategorized.
Notify of

Newest Most Voted
Inline Feedbacks
View all comments
5 years ago

[…] For a more complete list of leavening agents, including products confused as leavening, visit our Leavening Agents page […]

5 years ago

[…] In Exodus 12:15 we are commanded to remove all leavening from our homes prior to the Feast of Unleavened Bread. For this year that would be prior to sunset on April 1. Below are several common leavening agents. For a more complete list of leavening agents, including products confused as leavening, visit our Leavening Agents page online. […]

4 years ago

Definitely, what a fantastic site and enlightening posts, I surely will bookmark your site.Best Regards!
More Information About Calcium Carbonate

4 years ago

[…] Be sure to use up your leavening agents and products before the Feast so that you have none on your property during the Feast. A list of what to look for is at https://yrm.org/leavening-agents/ […]

3 years ago


Wonderful story, reckoned we could combine a few unrelated data, nonetheless really worth taking a look, whoa did 1 master about Mid East has got extra problerms at the same time.

3 years ago

[…] we suggest using them up beforehand. A list of leavening agents to remove prior to the Feast is at https://yrm.org/leavening-agents/ You can also find unleavened recipes at https://yrm.org/unleavened-recipes/ For more Feast […]

3 years ago

[…] For those taking the Passover memorial online the evening of April 7, be sure to obtain the necessary items beforehand, including grape juice and matos or unleavened crackers. Unleavened recipes are at: https://yrm.org/unleavened-recipes/  Also, have a basin of water for the footwashing at hand. If you are alone this part of the service is skipped. If you are low risk of COVID-19, you might consider contacting a fellow believer of the same gender whom you can observe the Passover with, including the foot washing. You will need to remove all leavening and leavening agents from your home by Passover.… Read more »

2 years ago

[…] commanded to remove leavening and leavened products by Passover. A list of leavening agents is at: https://yrm.org/leavening-agents/. Unleavened bread is to be eaten with meals each day during the Feast. A recipe book for unleavened […]

Mark Mallett
Mark Mallett
2 years ago

If wine is a leavened product, then how can it be used to represent Yahshua’s blood at the memorial?

Ds Miller
Ds Miller
21 hours ago

Thank you for this list. We are new to following YAH’s whole book and are attempting to at least do steps for the week of abstaining from leaven.