Preparation method of potato cake

The invention discloses a preparation method of a potato cake, and belongs to the field of foods processing. The method is characterized in that 55kg of whole potato flour, 15kg of potato starch, 35kg of self-raising flour, 7kg of maize powder, 20kg of black sesame oil, 10kg of egg, 42kg of saccharose, and proper amount of essence, sodium bicarbonate and ammonium bicarbonate are used as the raw materials. The method comprises the steps of preparing a dough; rolling and forming; braking; cooling; packaging. The method has the beneficial effects that the potato cake is slight yellow, crispy, tasty, and aromatic, has the crisp flavor of potato, is high in nutritional value, rich in protein, vitamin and other nutritional substances, and beneficial for digesting and absorbing of the human to foods, improves the human immunity, has the effects of strengthening the spleen and stomach, tonifying Qi and regulating middle energizer, expelling toxin and keeping youth, lowering blood pressure and resisting ageing, and is an economic and practical green nutritional food suitable for all people.