I got the cooler below and drilled a hole in one of the cup-holders with a 60mm hole cutter (second link). I also removed the hinge screws so the lid comes straight up and down so it is far easier to check the cook if I need to.

https://www.amazon.com/gp/product/B09HN1DFZH

https://www.amazon.com/gp/product/B0975JK6GC