A Sherlock Holmes-style investigation into over four thousand year old pots to determine, as best as modern lipid residue analysis allows, the foodstuffs that they once held to draw a bigger and better picture of food practices on the Arabian Gulf during the so-called Umm an-Nar period (ca. 2700-2000 BCE). Many of these pots were imported ancient Indus Black-Slipped Jars.