The following ingredients can be found in specialty stores and most grocery stores.

A spice that is the dried, yellow-orange stigma of a crocus' purple flower. It is the most expensive spice in the world.

Aged Sherry Vinegar
A nutty brown-colored vinegar with a full, round flavor made from sherry and aged in wooden barrels in a process similar to that used to make sherry. Aged from a few years to 10 years.

Squid Ink
From the ink sac of the squid. Used to flavor pasta, risotto and sauces.

Spanish Chorizo
Sausage made from smoked pork, seasoned with garlic and powdered chiles.

Dried Corn Husks
Used for wrapping tamales, they must first be soaked in water until they soften. Dried corn husks are available at Latino markets.

Whole hominy (dried corn kernels) processed with lye and hulled.

Cabrales Blue Cheese
Spanish blue cheese made from cow's and sheep's milk.

Manchego Cheese
A firm Spanish cheese made from sheep's milk.

They look like green tomatoes, but they are not. They come from an entirely different family. Used in green salsas, relishes and vinaigrettes.

Pomegranate Molasses
Pomegranate juice that has been reduced to a thick glaze.

A blend of dried, red-skinned chile.