The best-selling appetizer at Restaurant Guy Savoy in Las Vegas is a $68 artichoke and black truffle soup. And that’s not the most expensive starter. Hamachi carpaccio, with golden osetra caviar, cauliflower and lemon sabayon sells for $85.
But general manager Franck Savoy says 70 percent of his diners order the soup. He sells 55 orders of it nightly at the 85-seat restaurant designed as a clone of the Michelin three-star re