Bowls, cups, jars, cooking pots, grinding equipment, and serving vessels were used repeatedly. Removing food residue, dirt, oil, and other material was a normal part of maintaining a working household.
Ancient kitchens had no piped sink or dishwasher. Water had to be brought to the work area, and pottery, stone, metal, and wooden objects differed in durability and in the ways they could be cleaned. Jewish purity concerns could add further rules concerning particular vessels.
Produce could be rinsed when water was available, while cooking and serving vessels were washed or wiped after use. Families had to balance cleanliness against the labor required to obtain and carry water.
Excavations recover enormous quantities of pottery as well as stone vessels, cooking pots, jars, bowls, cups, grinding stones, and other food-related objects. Jewish sites of the late Second Temple period are especially notable for the use of chalkstone vessels associated with purity practices.
Jewish texts discuss the washing and ritual status of cups, pots, vessels, and other household objects. These sources demonstrate that practical cleaning and religious concerns could overlap without being identical.
The Torah contains instructions concerning vessels that become ritually unclean, sometimes requiring washing and in other circumstances requiring a pottery vessel to be broken. These rules concern ritual status rather than simply visible dirt.
Mark 7 refers to traditions concerning the washing of cups, pots, and other objects. The passage is best understood against Jewish purity practices rather than as a lesson about modern kitchen sanitation.
Households regularly used and cleaned food vessels, while archaeological and textual evidence also demonstrates specifically Jewish concerns about the ritual status of certain objects.
We should not assume that every washed vessel was being ritually purified. Ordinary cleaning and ritual practice could occur in the same household for different reasons.
The distinction between cleaning dirt from a vessel and addressing its ritual status is essential for understanding Gospel discussions about washing cups, pots, and other objects.