Slurry is the substance that both clones and food are made of. It is created through the synthesis of organic material and recycling of ex employee-citizens. It is the only thing employee-citizens are allowed to consume. The grade of slurry you can consume is correspondent to the job you have (enforced via electrocution), clones getting slurry that is described as "sharp", "tangy", "vinegar-y", "hot" and incredibly hard to consume. There is also Upper Management slurry, Line Manager slurry and Consultant slurry, which implies there is a different type for each position at the company.