<p>A removably attachable mixing device for use with a beverage dispensing apparatus for mixing ingredients to produce a beverage. The beverage dispensing apparatus includes a controllable water source, an ingredient source. The removably attachable mixing device being attachable to the water source and the ingredient source for receiving and mixing water and ingredient. The mixing device includes a body having a wall defining a cavity, an ingredient inlet removably attachable to the ingredient source and communicating with the cavity of the body. A water inlet removably attachable to the water source and communicating with the cavity of the body. A beverage outlet communicating with the cavity of the body to dispense beverage from the cavity of the body of the mixing device. A kit including the removably attachable mixing device. A method for mixing beverage using the removably attachable mixing device.</p>