Ice salt

From Memory Alpha, the free Star Trek reference.

Ice salt is a popular ingredient in foods, a variety of salt.

In 2370, Gideon Seyetik served senior staff of Deep Space 9 a dinner of his creation made with a dash of ice salt, Vulcan redspice, Humat pods, Gremish, Rumall stock, Kalo root, Waroon and pepper. The recipe took years to perfect, and Chief O'Brien wanted a copy. (DS9: "Second Sight")