Truffle salt will be similar to the truffles that they contain but with a slightly saltier. Truffle flavor is generally described as a strong earthy garlic, though there are different species of truffles that have slight differences in flavor. White truffle salts are milder, while black truffle salts can have a stronger flavor and aroma. The black truffle is the primary ingredient in most truffle salts that you will find on the market.