Bobs Red Mill Baking Soda is the gold standard: use it in countless recipes, including cakes, cookies, flatbread and more. Baking soda is bicarbonate of soda, a top-quality leavening agent also known as sodium bicarbonate or sodium hydrogen carbonate. When used in combination with buttermilk, lemon juice, cocoa or other acidic ingredients, it causes dough and batters to rise beautifully without yeast! Our pure baking soda is made from the deposits of mineralized sodium bicarbonate and is extracted by a simple water process that uses no chemicals. The package of our baking soda features a terrific recipe for Lemon Sugar Cookies This pure baking soda is baking soda for baking, Bobs Red Mill Baking Powder is the go-to leavener for quick breads, biscuits, cakes and other no-yeast baking recipes. It has no aluminum added and no bitter aftertaste. Bob's Red Mill Baking Powder is perfect for all your baking needs, from flaky biscuits and buttery cookies to tender muffins and moist cakes. Bob's Red Mill Double Action Baking Powder releases carbon dioxide when exposed to moisture and heat, causing doughs and batters to rise. It is all natural and contains no aluminum.Bob's Red Mill Double Acting Baking Powder is a leavener used for baking. It releases carbon dioxide when exposed to moisture and heat, causing dough and batter to rise. It is gluten free and contains no added aluminum. Unlike many other baking powder brands that utilize sodium aluminum phosphate or sodium aluminum sulfate as the acid ingredient, our baking powder substitutes monocalcium phosphate and sodium acid pyrophosphate to create a superior double-acting baking powder without the metallic aftertaste. And like all our gluten free products, our natural baking powder is produced in our gluten free facility and batch tested to ensure its purity. Our baking powder is perishable and should be kept cool and dry. Compare to Trader Joes Baking powder and Trader Joes baking soda.