A Depression-era patty filler paved the way for an Oklahoma favorite.

Pressed from frozen grapes, this prized wine was a sweet accident.

Grown in the volcanic soil around Mt. Vesuvius, these tomatoes are one of only a couple varieties used in authentic Neapolitan pizza.

Pennsylvanians come out in droves for this pre-Lent delicacy.

There's even a museum dedicated to this preserved meat.

An obscure Italian amaro became the pride of Pittsburgh.

This sweet spud is neither made with tubers, nor of Irish origin.

Even a local sports team pays homage to these white-crusted, savory spuds.

A circle of South Dakota towns specializes in these fried meat cubes.

The original “nails” have disappeared from this cheese-smothered, horseshoe-shaped ham dish.

One of the world's least-loved liquors calls Chicago home.

Before refrigeration, mixing fruit with sugar and vinegar extended its shelf life and made for a tasty drink.

The Carnival cake comes with a hidden baby Jesus inside.

A fizzy, chocolate drink that harkens back to the days of Brooklyn soda fountains.

Pennsylvania's pork loaf embodies Amish resourcefulness.

Battered and fried testicles make use of a cattle-country surplus.

This bird comes with a brew inside.

This tasty Czech pastry is now a Texan tradition.

The holiday tradition of hiding an ornamental veggie.

This taste bud befuddler is a signature Baltimore sweet.

Produced since 1847, these classic New England candies almost disappeared in 2018.

Binghamton celebrates its sandwich of marinated meat cubes at a yearly hot air balloon festival.

Denmark's open-faced sandwiches are equal parts decadent and decorative.

Adding juniper ash to this traditional Navajo dish gives it as much calcium as a glass of milk.