There are surviving examples of Roman[1] and Bible-era[2] shopping lists.
The shopping list itself may be simply a scrap piece of paper or something more elaborate.
There is even a specific device that dispenses a strip of paper from a roll for use in a shopping list.
"[3] Remembering a shopping list is a standard experiment in psychology.
[4] Shopping with a list is a commonly employed behavioral weight loss guideline designed to reduce food purchases and therefore food consumption.