Joe Yonan, author of Serve Yourself: Nightly Adventures in Cooking for One, is tired of seeing half-empty cans of beans just covered with aluminum foil and stuck in the fridge. He has a better way to save those leftover canned beans.

CHOW Tips are the shared wisdom of our community. If you’ve figured out some piece of food, drink, or cooking wisdom that you’d like to share on video (and you can be in San Francisco), email Blake Smith and tell us what you’ve got in mind.

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