The invention discloses a
solid instant food of purple sweet potato and soymilk and a preparation method thereof. Purple sweet potato
powder, milk
powder and beans are mixed, and accessories are added for
seasoning. The invention also discloses a preparation method of the
solid instant food of purple sweet potato and soymilk, which comprises the following steps: crushing of raw materials, water adding, mixing, curing,
spray drying and packing of finished products. The
solid instant food disclosed by the invention has the advantages that: the selected purple sweet potato is processed by a
scientific method, and sufficiently maintains the
nutrient components and
anthocyanin of sweet potato; the solid instant food prepared in combination with bean raw materials and milk
powder is rich in
anthocyanin and dietary fibers, has smooth
mouthfeel, rich
flavor and high nutritional value, and conforms to the traditional eating
habit; moreover, the solid instant food is convenient to eat, and has high
economic benefits and the like; and through the invention, the problem of few
deep processing products of purple sweet potato currently is solved, and the solid instant food of purple sweet potato and soymilk creates a brand new eating method of the purple sweet potato products, and has a broad market prospect.