Peru's strikingly beautiful mashed potato casserole.

For some students at the University of Oxford, the end of the year means getting covered with eggs, shaving cream, and champagne.

These salty potatoes were originally boiled in seawater.

It's nicknamed “yumberry” for a reason.

These chocolate-covered peanuts got M&M's banned in Sweden.

Senegal's popular spring rolls tell a story of war, love, and colonialism.

These Portuguese doughnuts have a fervent fanbase in Hawaii.

Meet Japan's first milk soda.

This Swedish holiday soda outsells Coca-Cola during the Christmas season.

The legend of these rum-and-molasses cookies leads to a New England tavern owned by a Black Revolutionary War veteran.

Only one bakery still makes these hard biscuits that were once beloved by Thomas Hardy.

Utah's favorite nonalcoholic beer got its start more than a century ago as a German brew.

The story of South Carolina's sweet-hot soda begins with a chance discovery during the Revolutionary War.

These Bavarian cookies are also intricate works of art.

Birmingham's sinus-clearing soda was a popular way to enhance bootlegged hooch during Prohibition.

This dark, sweet refresher was born at a now-defunct amusement park on the shores of Lake Erie.

Don’t be fooled by the name of this Bengali relish.

A 2,500-year-old Persian dessert evolved into this Indian summertime favorite.

This hand-pulled cotton candy treat from Iran looks like threads of unspun silk.

In Hyderabad, vendors sizzle up spicy fried brains.

Recycling comes to dessert, with delicious outcomes.

A complexly flavored post-meal digestive became the candy of choice for Indian children in the 1980s and ’90s.

Every March, Central New York shelves are stocked with glass bottles of green dairy.

Elderly villagers hunt the digger wasps that stud these Japanese rice crackers.