Once tech is high enough, there's probably going to also be something completely nondescript but carrying a name like Basic, Gloop, 'Mite, Sludge, or some such; essentially, a mostly-balanced mixture of nutrients in a liquid base, probably thick enough that one could press it to become solid, and a Certain Amount of it will be literally "sufficient unto the day" - emergency rations aboard a ship or when 'adventuring' out where even the middle of nowhere is a bustling urb in comparison to here, or 'daily prole ration' for dolists on a poor world, or...