Vegetarians have grown to relish — or at least tolerate — fake chicken, mock turkey, soy hot dogs, and flame-grilled tofu burgers. But the noble tradition of fake foods dates back to antiquity. Roman cooks loved to disguise the flavors of their dishes. The ancients relished food games at their banquets, and cooks took great pride in concealing flavors so that one type of meat might taste like another — or like nothing at all. One of the more peculiar recipes that survives from the first extant cookbook, dating to the fourth century A.D., is called, bluntly enough, Anchovy Casserole Without the Anchovies. The author, Apicius, proudly boasted, “No one at the table will know what he is eating.” Artists were employed at banquets to make realistic sculptures of lions out of chicken meat, bulls of fish flesh, camels of venison — anything to tickle the jaded diners.