5 Things to Know About Using a Cooler to Keep Food Warm

Preheat the cooler first Pour hot tap water inside, close the lid for 10 minutes, dump it out, then line the bottom with towels.

Pack food in covered dishes Place hot food inside, then fill empty space with towels or crumpled newspaper to trap heat.

Add heat sources for longer holding Hot water bottles or bricks heated in the oven can extend the time food stays warm.

Monitor temperature for safety Do not rely on a cooler for food that must stay above 140°F for more than two hours. Use a thermometer if unsure.

It is a cheap alternative to a hot box A well-insulated cooler works better than expected for keeping food warm for a couple hours.