The most famous salad in the world, the Caesar, was invented in Tijuana, Mexico, precisely a century ago. ... [I]t's still possible to order the original Caesar salad - romaine lettuce with a dressing made from raw egg, olive oil, lime, garlic, Parmesan and other flavorings - prepared tableside by a formally dressed waiter at Caesar's restaurant, the Tijuana establishment founded by Caesar Cardini, the Italian immigrant to North America widely credited with having created the Caesar salad.