A close-up of Gneiss Spice Baking Soda in a round container highlights its fine granular texture. The container is viewed from above against a plain white background, emphasizing the simplicity of zero-waste packaging.

Baking Soda


$ 3.60
Minus Plus

Pure and simple, our Baking Soda is your kitchen essential.

Made from pure sodium bicarbonate sourced directly from mines in the USA, this all-natural baking soda is perfect for baking, cleaning, and countless household uses. Both our baking soda and baking powder are aluminum-free.

Details: All-natural. Origin USA.

Zero-Waste Spice Refills Packaged in Compostable Packaging:

  • Small Refill: scant 1/4 cup volume (2.0 oz net weight)
  • Large Refill: 1/2 cup volume (4.8 oz net weight)

Refill packaging is made from plants and safe for home composting. It's not meant for long-term storage; please transfer to airtight containers. Read about our zero-waste packaging here.

A person in a white shirt pours contents from a small plastic bag into a clear glass jar. The bag, partially obscured, hints at Gneiss Spice's Ground Annatto Seed, often used in Latin American cooking. The image focuses on the hands and the jar, capturing the essence of sustainably harvested ingredients.

Reusable Glass Magnetic Jars:

  • Small Jar: scant 1/4 cup volume
  • Large Jar: 1/2 cup volume 

Two hands hold two small glass jars with metal lids. The left jar, embossed with "ENJESS SPICE," and the right jar, marked "Gneiss Spice," both resonate with zero-waste packaging ideals. These empty hexagonal containers are perfect for storing your Cajun Creole seasoning or other spices.

New to Gneiss Spice? Check out our FAQs videos. Purchasing over a dozen jars? Buy a boxed custom kit and save over 10%.

A kitchen counter boasts a bowl of organic oranges, kitchen knives on a magnetic strip, and utensils in a marble holder. A spice rack with hexagonal jars from Gneiss Spice is mounted on the wall, while various condiments in zero-waste packaging are arranged near an oven.