A white ceramic bowl is filled with a generous heap of Gneiss Spice's fine, pure Cream of Tartar powder, ideal for all your baking needs, set against a plain background.

Cream of Tartar


$ 4.40
Minus Plus

Versatile kitchen essential for baking and whipping.

Cream of Tartar, a by-product of winemaking, is a must-have for any baker. These natural acidic crystals help activate baking soda in recipes and keep egg whites stiff for perfect meringues. Although not organically certified, this all-natural, GMO-free product is a pantry staple. 

Details: All natural, GMO-free. Origin Spain. Cream of tartar not an agricultural product, therefore there is no organic certification.

Zero-Waste Spice Refills Packaged in Compostable Packaging:

  • Small Refill: scant 1/4 cup volume (1.6 oz net weight)
  • Large Refill: 1/2 cup volume (3.6 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.

Two hands hold a packet of dried French herb chervil from Gneiss Spice, pouring some into a glass jar. In the background, there are uncooked spaghetti, cherry tomatoes, basil, and small dishes with various spices on a light surface, all contributing to an eco-friendly scene with zero-waste packaging.

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 wall displays a honeycomb-style spice rack filled with Gneiss Spice's Chervil, vibrant mugs on hooks, a coffee maker, a magnetic knife holder with knives, a whisk, and a patterned container—all celebrating the elegance of zero-waste packaging.