Vacuum-sealing food before freezing really does make it last longer. But unless you have a serious Costco habit, it’s hard to justify buying an expensive, bulky countertop sealer. Luckily, F&W Test Kitchen superman Justin Chapple has an easy hack. Watch this episode of Mad Genius Tips to see how he transforms a bowl of water into a DIY vacuum sealer.
This article originally appeared on FWx.
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