The invention designs a medicinal and edible Chinese yam and kudzuvine root biscuit and a preparation method thereof. The medicinal and edible Chinese yam and kudzuvine root biscuit comprises the following main raw materials in parts by weight: 20 parts of kudzuvine root
powder, 30 parts of
corn flour, 50 parts of Chinese yam
powder, 30 parts of bean flour, 10 parts of celery
powder, 5 parts of
yolk, 1 part of
vegetable oil and 1 part of a
sweetening agent. The prepared biscuit is rich in
nutrition, crispy in taste, strong in satiety, rich in
dietary fiber and
oligosaccharide, and beneficial to promoting intestinal health. The Chinese yam and the kudzuvine root also have good medicinal values, in view of poor taste of Chinese yam and kudzuvine root
corn flour in the market and need of
brewing during use, the biscuits are convenient to carry and use, and the commercially available biscuits are mainly crispy biscuits, soda biscuits, tough biscuits and
wafer biscuits (1), the crispy biscuits have the characteristic of improving the taste of coarse food grains, and the crispy biscuits have the characteristic of improving the taste of coarse food grains; meanwhile, the biscuit is convenient to carry, so that the crisp biscuit containing the celery, the Chinese yam, the kudzuvine root and the corn is developed, and the application range of the Chinese yam and the kudzuvine root is widened. A compound
sweetening agent (
stevioside and
erythritol) is adopted, so that the studied biscuit is also suitable for patients suffering from
sugar control, meanwhile, celery powder is added, and the antihypertensive effect is facilitated after the biscuit is used for a long time.