Learn all things ketchup, from its ancient roots and its spelling quirks to the more bizarre uses for it and why you'll never ...

Mushroom ketchup made with the local wares of Fungi Jon. Carrot ketchup that takes the rich sweetness of this bright root vegetable and transforms it into something tangy-tasty-terrific.

The 18th century was a golden age for ketchup. Cookbooks featured recipes for ketchups made of oysters, mussels, mushrooms, walnuts, lemons, celery and even fruits like plums and peaches.