It depends? Simple base ingredients I make sure to have a stock or at least one extra after whatever I plan.
More temporary things I buy weekly or things I don't normally use.
Only buy stuff after it's run out
When I know I'll need more for my next meal
One serving's worth next
Two serving's worth next
Three serving's worth
50% of the initial purchase left
I buy the same stuff every week reguardless of how much I've used
I always have two of everything and buy another when theres only one left
Other
It depends? Simple base ingredients I make sure to have a stock or at least one extra after whatever I plan.
More temporary things I buy weekly or things I don't normally use.