Gryphon writes "According to research completed at the University of Toronto, "mashed potatoes and barley may indeed be food for thought". The effect is most noticeable for the elderly and those with bad memories, but in all subjects, memory was noticeably enhanced just 15 minutes after ingestion, with effects lasting for about an hour. Being a student with exams to write, I thought this was cool -- bring on the beer and fries? :) "
If potato chips counted I'd be capable of remembering the stone age. As it stands, I can't remember most of college.