Typically, baking powder is 2-3% of the flour used in baking products such as cakes.The ratio of baking powder of big steamed stuffed bun and small steamed stuffed bun is 1-2%.The ratio of baking powder of all kinds of fermented steamed bread was 0.5-1%.Fritters and other Fried food, the proportion of baking powder for flour 1.5-3%;For puffed food, the proportion of baking powder is 0.2-0.5% of the flour.The proportions of baking powder and flour are different for different pasta, and can be adjusted according to actual needs