Pre-chilling works if you let the cooler do the work

Pre-chilling your cooler is worth the ten minutes, but the best way to do it isn’t just sticking it in an air-conditioned room.

The move is to put ice in the cooler the night before, close it, and let the cold soak into the walls and lid. A bag of cubes or better, a couple frozen gallon jugs, will drop the internal temperature fast. In