Rogers Park Food Not Bombs wants to convert restaurant food waste into food for the needy

Here’s how to donate. The other day I was the beneficiary of a bucket of savory corned beef stock left over from a (quiet) neighborhood restaurant’s St. Patrick’s Day special. I strained it, skimmed the fat, reduced it to a super salty but pretty tasty concentrate, and squirreled it away in the freezer to serve as future soup or sauce base.…