A cooler works for hot food — get rotomolded.

Yes, most coolers can keep food hot for hours — but cheap ones might warp or crack.

A cooler is just an insulated box. Physics doesn’t care if the heat is coming from a steak or an ice block. But not all coolers handle heat equally. The cheap injection-molded ones (think Igloo Marine, Coleman) use thin plastic that can soften or deform if you put piping-hot food in for hours. And their insulation is weaker.

The better choice is a rotomolded cooler — Yeti, RTIC, Pelican, Orca, etc. Rotomolded plastic is denser and thicker, so it handles heat without warping. Plus, the foam insulation is usually thicker, meaning it holds both hot and cold longer. They cost more, but for hot-holding, you want the extra margin.

One trick: preheat the cooler with hot water for ten minutes before adding hot food. That way the foam doesn’t steal all the heat. Also, never put hot food in a cooler that was just full of ice — thermal shock can crack the liner.

A good rotomolded cooler does double duty. Buy once, cry once.