Yam cake is a famous traditional pastry in Beijing, which is made of yam, glutinous rice flour, cooked flour, bread crumbs, starch, eggs, osmanthus fragrans and peanut oil.
Yam is a traditional medicine. Chinese medicine believes that yam is warm and sweet, enters the lung, spleen and kidney meridians, and has the effects of tonifying the middle energizer, strengthening the spleen and stomach, promoting granulation, stopping diarrhea, strengthening the spleen, consolidating essence and benefiting the lung.