If you’ve watched enough episodes of Chopped on the Food Network, you’ll know that it’s a cardinal sin to use truffle oil. Some on the show’s rotating judging panel—which includes renowned chefs such as Geoffrey Zakarian, Alex Guarnaschelli, and Scott Conant—view the product as a crutch. Conant has even gone so far as to declare his detestation of the product. That may seem a harsh stance to take, but Conant is not alone. “The enemy of all types of truffles is truffle oil,” says Ken Frank, executive chef of La…