A small, round bowl filled with a white, powdery substance that resembles Gneiss Spice's gluten-free Baking Powder, set against a plain white background.

Baking Powder


$ 3.00
Minus Plus

Fluff up your baking with our aluminum-free Double-Acting Baking Powder.

Free of sodium aluminum sulfate, this baking powder releases leavening carbon dioxide in two stages—first at room temperature, then in the oven—giving your baked goods a perfect rise. All-natural, non-GMO, and gluten-free, it's an essential for any kitchen.

Details: All natural and non-GMO. Gluten free. Aluminum Free. Origin USA.

Ingredients: mono calcium phosphate, food-grade cornstarch (non-GMO), sodium bicarbonate (baking soda)

Zero-Waste Spice Refills Packaged in Compostable Packaging:

  • Small Refill: scant 1/4 cup volume (0.85 oz net weight)
  • Large Refill: 1/2 cup volume (2.55 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.

Hands pouring sustainably harvested dried herbs from a plastic bag into a jar, surrounded by fresh cherry tomatoes, uncooked spaghetti, basil, and small dishes with Gneiss Spice's Ancho Chile (Ground) USA Grown on a light-colored surface.

Reusable Glass Magnetic Jars:

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

Two hands hold two small square jars made of glass with metal lids. The larger jar is marked with "Gneiss Spice," suggesting that it contains Allspice (Pimento) Berries, while the smaller jar is labeled "S 1." In the background, a cardboard box suggests zero-waste packaging.

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