It's one of the oldest and most widely used seasonings — archaeologists have found evidence of salt production that goes back as far as 8,000 years. Saltiness is also one of the five basic tastes we experience, along with sweetness, sourness, bitterness and umami. How is it made? Depending on the local mineral mix and evaporation methods, you're going to get vastly different salts with different textures, flavors and uses. Let's take a look into the most notable types of salt, with guidance on how to use them.