Quick answer: Smaller amounts of water freeze faster because heat has less distance to travel out of the water.
What to know
Use smaller molds, avoid overfilling, space trays where cold air can circulate, and keep the freezer at its recommended setting.
Practical tips
A metal tray may transfer heat more readily than thick insulating silicone. Avoid putting large amounts of hot water into a freezer, where they can warm surrounding food.
Frequently asked question
Does hot water freeze faster?
The Mpemba effect can occur under particular conditions, but hot water is not a dependable shortcut for everyday ice making.
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