Unless you are Southern, Appalachian, Amish, or like, really into baking, you probably haven’t heard of vinegar pie, a pie that sounds much less pleasant than it is. Do not let the name put you off: it’s a sweet, custardy pie with a delicate caramelized crust on top, and—since it is made entirely of kitchen…
Source: LifeHacker – The Pie You Need Right Now