Head to one of these 13 restaurants that are open on the 25th, from the chic booths at Bob Bob Ricard to the art-deco dining room at Claridge’s Restaurant in Mayfair.
If that first spoonful of French onion soup — with toasted bread, melted cheese, and savory caramelized onions — is your favorite, then you’ll love this appetizer, which is a decadent mash ...