Ah. So, I get a farm share every week. 'Planning' is looking at the list of what I'm getting and figuring out what I can make from it - although I've been doing this long enough that I actually have a selection of recipes that I re-use year to year, so I spend more time digging the recipe out then I do actually 'planning'.
The weekly shopping is usually about 5 'missing' ingredients that I need for my chosen dishes, plus whatever staples I've run out of. I usually go shortly before the store closes for the night, and it takes about 15 minutes.
In the UK, bakers were forbidden from selling bread on the day it was baked, in order to make it more stale and reduce demand.