Homebrew
Yesterday I brewed some beer. The new propane burner worked great - when it actually had fuel. I lit the thing up to get started and it burned for about 45 seconds before my propane tank ran dry.
I realized today that the burner not only gets me out of the house, it also allows me to do larger batches. My current brewpot is the biggest thing I could fit on the stove - but this is no longer a limitation. Ten-gallon batches, here I come!