A method for the preparation of a beverage by mixing water and at least one powdered product in a mixing chamber (1) and dispensing the mixture to a final container (5) provides for the preparation and delivery of at least a first portion of beverage by mixing a first soluble product with water, in the absence of mechanical stirring and for the preparation and delivery of at least a second portion of beverage by mixing a second soluble product with water in the presence of mechanical stirring and for the possible delivery of further portions of beverage to the final container (5).