An all-in-one microwave beverage brewing and storage container and a method of using such container for quickly and conveniently brewing and storing beverages such as coffee and/or tea. The device comprises a receptacle having an interior portion capable of holding a first predetermined amount of liquid. The receptacle has a sidewall having a flat surface to enable the receptacle to rest on its side while placed within a microwave energy source. A top portion is provided on the receptacle that is capable of preventing the first predetermined amount of liquid from leaking out of the receptacle while the receptacle is resting on its side. A venting member is provided for venting the liquid during brewing of the beverage within the microwave. Upon the completion of brewing, the receptacle may be turned upright and a second predetermined amount of water and/or ice may be added to finish preparing the beverage.