A disposable milk pod including an internal chamber containing fluid, a bottom portion, a top portion, wherein the top portion comprises a barrier, and a wall portion connecting the bottom and top portion. Prior to the disposable single serving milk pod engaging with a pod processing device, the barrier, the bottom portion, and the wall portion seal the milk within the internal chamber. In response to the single serving milk pod engaging with the pod processing device, the pod processing device pierces one or more portions of the barrier and injects a hydrous liquid such as water and/or steam into the internal chamber, such that the milk mixes with the hydrous liquid.