Fettuccine alfredo

One of the greatest dilemmas when cooking pasta is whether to mix in sauce from a can, or to whip it up yourself. Pre-made sauce is tempting, but now you have 3-ingredient pasta sauce.
Move over, Alfredo. (And then come back, because we'll always love you.)
In 1914, one particular upset stomach originated what we now know as fettuccine alfredo.