I know it's better to use freshly ground beans and not store it ground at all, but if I have no other choice, how can I best preserve ground coffee?
This question sort of asks the same thing, but the answers focus on storing whole beans, and the answers addressing ground coffee make it pretty unclear whether a cool cabinet, the fridge, or the freezer is the best place.
Best Answer
The two main issues with ground coffee are:
In summary, the best I've found is a small airtight box in the freezer.