I would buy that... would be very useful for my lack of schedule.
I've collected a fairly eclectic list of throw together recipes in my head than can be made from long life ingredients without being terrible for you.
I bet there's lots of tips to be found - stuff like freezing rice, freezing fresh herbs, other things alot of people dont know about.
My idea is for a guide and cookbook that focuses on:
Have always wondered if it would be worth doing. Not a glamorous cookbook concept (like most that sell here as gifts), but might appeal to some?