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Fooding warming trays keep food warm by applying heat to a small amount of water in a tray underneath the food tray. The tray containing the water is heated either by electricity or with small alcohol gel candles. The heat and steam radiated up from the water and tray holding the water keeps the food warm.

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14y ago

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Use a heat lamp.

To keep food warm on the plate at the table you can use a "Heat Retentive Plate".

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13y ago
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Q: How does a food warming tray keep food warm?
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