Colleges must realise the importance of a good mid-day meal. The correlation between what we eat and how we think is indisputable. College catering is usually by contract so I'd simply put in a vociferous complaint. Can you get up a petition? That might result in the contract coming up for tender. Get the student union behind you and lobby for a greater say in your nutritional needs.
Dilemmas should be emailed to Donald Short at firstname.lastname@example.org