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These cubes hold meaty flavor
Becky commented about freezing homemade baby food in ice cube trays. A favorite non-water use of mine is freezing stock. After you've boiled all the flavor out of your leftover bones, let the stock cool and then pour it into trays. It'll keep for a while, plus the cubes make it easy to measure out. Punching up a sauce? Two cubes will do. Making soup? Drop in a whole tray. Got other clever ice cube tray hacks? Share in the comments. /mg