"6 Ways to Eat Cheap":
http://finance.yahoo.com/family-home/article/104857/6-Ways-to-Eat-Better-for-Less
I like "Rediscover beans and eggs" as a tip.
Also, to drive the point home, apparently Robert Zoellick was waving around a big loaf of bread at a recent IMF meeting:
http://economistsview.typepad.com/economistsview/2008/04/food-prices-the.html
-B.