Method for producing sweet potato residue biscuits

The invention relates to a method for producing sweet potato residue biscuits. The method comprises the following steps of rinsing sweet potato residues with water, filtering and draining with a strainer, and dissolving and mixing oil, eggs and white sugar in a water bath; adding low-gluten flour and wet or dry potato residues, after fully mixing, kneading into a dough, and pressing into a wrapper with a thickness of 2-4mm by a dough pressing machine; and processing the wrapper into a shape meeting the requirement by using a biscuit die, baking and cooking to obtain sweet potato residue biscuits. The wet or dry sweet potato residues with high content of dietary fiber are used as a raw material, and the total dietary fiber and soluble dietary fiber content of the produced biscuits is high; on the basis of keeping the color, smell and taste of original biscuits, vitamins, niacin, folic acid and other nutrients are added; the biscuit can be used as a diet food and a food for regulating blood sugar, blood pressure and serum cholesterol; the sweet potato residues have better adaptability to flour, and the forming effect is good; the biscuit does not contain toxic, hazardous and carcinogenic matters and is safe to eat; the process is simple, the continuity is good, the operation cost is low, and the utilization rate is high; and in the production process, the produced waste is less, and the environment is not polluted.