I'm also in NYC and $50 buys me groceries for 15 days, give or take a day. However, it's all pretty much the same kinds of meals (pasta and sauce, chicken in some sort of sauce, frozen vegetables under $1.50 a package, etc.) and I can't even supplement with mac and cheese if I wanted to because I'm trying to limit myself to meals with 30% USRDA sodium due to having had high blood pressure wehn I was smoking.

I either haven't learned the trick to eating well when you're poor or I just am not a skilled enough buyer.