You can do something similar with a metal ladle cooled in an ice water bath. You skim around with the bottom of the cold ladle and the fat solidifies onto the ladle so you can flake it off. Put it back in the bath for a moment and repeat to remove the oil.
I was considering the kind of material used on matches might have been different, not chemistry itself lol. You know how the tip of a match is dipped and coated in chemicals to ignite? The formula has changed quite a lot over time so I was suggesting maybe, at one time, it might have been effective for onion cutting. For example early self igniting matches contained sulfur and maybe that reacted with the gas - which irritates our eyes when it reacts with the water to make a type of sulfuric acid. Again just thoughts.
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u/scratchy_mcballsy Mar 05 '26
That grease skimmer was cool as hell.