Method of delivering a beverage

A cover 20 is hermetically sealed to the lip 18 of a container 12. A stirring shaft 26 extends between a bottom end 28 disposed in the container 12 and a top end 30 disposed outside of and above the cover 20. The container 12 includes a shaft support 32 for supporting and radially centering the bottom end 28 of the stirring shaft 26. A sanitary seal 34 hermetically seals the cover 20 about the stirring shaft 26. A plurality of mixing blades 38 extending radially from the shaft 26 in the container 12. The top end 30 of the shaft 26 includes a driving connection or coupling for receiving a rotating device for rotating the stirring shaft 26 and the mixing blades 38 for mixing the contents of the container 12. The bottom 14 of the container 12 includes an annular leg 40 for supporting the bottom 14 above the central portion 24 of a cover 20 and over the top end 30 of a stirring shaft 26 of a like container 12 assembly. To facilitate the stacking, the cover 20 includes a circular ridge 42 for receiving and centering the leg 40 of a like container 12 assembly. The container 12 with frozen contents is dispensed from a machine and engaged by a rotates device to rotate the blades 38 to mix the contents, such as a milkshake.