Apparatus for automatically dissolving instant powder, particularly milk powder, in hot water and particularly for frothing up, including a flow generation device for generating a flow of the hot water impinging onto the instant powder with a circular component, wherein a frothing chamber (6) is provided into which opens a nozzle (10) tangentially directed to the internal wall (11a) of a frothing chamber (6), the nozzle (10) being connected with a hot water pressure duct (13), and the frothing chamber has a powder inlet opening (9) into which opens an inlet funnel (5), and in addition the frothing chamber (6) has an outlet opening (8).
