Truffle oil
Truffle oil is very rarely made with actual truffles, but is instead concocted using various chemicals that are designed to smell like real truffles.
"Never order anything with truffle oil as a listed ingredient," chef Briscione said. "Chances are, the imitation truffle flavor will be offensively strong, and the 20 cents worth of truffle oil drizzled on your plate will result in a surge in menu price."
[Photo via @tooomuchfoood]