Mulberry nuts and preparation method thereof

The invention discloses mulberry nuts and a preparation method of the mulberry nuts. The preparation method comprises the steps of quickly freezing mulberry raw materials, then defreezing the mulberry raw materials, performing infrared drying to obtain mulberry semifinished products, then performing variable-temperature differential pressure puffing drying, and cooling products to room temperature to obtain the mulberry nuts. According to the method for producing the mulberry nuts by combining medium and short-wave infrared and a variable-temperature differential pressure puffing drying method, no pigments or other additives are added in an operating process; the products taste crispy; the color of the original fruit is retained to a large extent; the mulberry nuts have mellow mulberry flavor.