593567 Disclosed is a method for producing a product by micro-gelling and/or micro-particulating a batch (4) containing whey proteins and an apparatus for carrying out the method. The method comprises the following steps: - providing the batch (4), preferably in a tank (3), - feeding the batch (4) into a dispersing device (7), wherein in the dispersing device (7) shearing forces are continuously generated by way of a revolving rotor engaging in a stator, - direct vapour heating (20) the product, preferably by means of direct vapour heating (20) at the dispersing device (7), preferably to a temperature between 60 and 100 degrees Celsius, and - draining the micro-gelled and micro-particulated product from the dispersing device (7).