What Exactly Is Worcestershire Sauce?

Worcestershire sauce: It's salty, tangy, funky, fishy and almost impossible to spell or pronounce. But while you’ve almost certainly tasted it... do you actually know what’s in it? One of the oldest bottled sauces in America, this mysterious condiment turns up everywhere from burgers to Bloody Marys and it has a history that’s far stranger than you’d expect. So on this episode of Weird History Food, we're going to try and answer the questions: What is Worcestershire sauce and how did it become a kitchen staple? And by the time we're done, we guarantee you’ll never look at that bottle the same way again.