7. Getting Saucy (2013)

Discover how classic Tootsie Pops get that chewy reward in the middle; sweet and tangy ketchup contains all of the five taste sensations; a traditional Italian dessert, tiramisu, actually gets its pillowy texture from crunchy biscuits; and why salty, doughy pretzels get all twisted.

Release date: 2013-05-01