A method and machine (1) for coating confectionary product cores, whereby a mass of cores (2) for coating is loaded into a chamber (14) of a rotary drum (4) and coated to form a shell on each core； forming the shell including at least one step of spraying the cores with sweet syrup, followed by at least one step of drying the syrup sprayed onto the cores； the drying step being performed by reducing the pressure in the chamber (14) to less than -0.2 bar, and heating the sprayed cores to a maximum of 35℃ using electromagnetic radiation, preferably microwaves.一種用以塗覆糕餅產品核芯的方法和機器，係有大量要被塗覆的核芯會被裝入一旋轉滾桶之一腔室中，並在各核芯上塗覆以形成一外殼；形成該外殼包含至少一以甜糖漿噴灑該等核芯的步驟，然後接續至少一乾燥被噴灑於該等核芯上之糖漿的步驟；該乾燥步驟係將該腔室內的壓力減降至低於-0.2bar來進行，並使用電磁輻射較好是微波來加熱該等被噴灑的核芯至一35℃的最高值。
