A brewing unit of a drinks preparation device is provided with a first housing device with a coffee brewing chamber (4), having an outlet (5), for housing coffee powder and for preparation of a drink therefrom, provided with a second housing device (6) with a housing chamber (7) having a through opening (22) in the base thereof for an alternative or additional milk or foamed milk regeneration, said second device being suitable for housing a milk or milk powder portion unit (14) and for preparation of the milk or milk foam.