Abstract: The present invention relates to a method and a device for preparing beverages such as coffee, tea and cocoa in portions in containers such as plastic cups, said containers being first partially filled with a pre-measured amount of flavored powder and thereafter filled up with water. According to the invention water is added under slight overpressure via a water outlet head (3) for partial filling of the container, during which pressure water is added via separate nozzle heads (4) to ensure thorough whipping of the flavored powder in the water.