If there is no baking soda at home, you can use baking powder, yeast powder and edible salt instead. Baking soda is made from the solution or crystal of soda ash after absorbing carbon dioxide, so baking soda is also called edible alkali in some places, which is in powder form. Baking soda is solid, round, white in color and easily soluble in water.

1, baking powder, also known as foaming powder and baking powder, is a kind of composite leavening agent, which is made of baking soda powder with acidic materials and corn flour as filler, and is mainly used for rapid fermentation of grain products.

2. Yeast powder is also an item that can help the fermentation of food, and can also be used instead of baking soda to make steamed bread and steamed buns.

3. Edible alkali is a mixture of sodium carbonate and sodium bicarbonate. It is a kind of food loosening agent and meat tenderizer, which can make dry raw materials swell rapidly, soften fibers and remove the sour taste of dough.