The burger at Angie Mar’s Le B. is often a rare point, with only 9 served an evening, and only within the bar. At over $forty, it can be super luxe, one that Mar designed famous in the Beatrice Inn: an Angus blend beef is dry-aged for 45 times and dressed with d’affinois cheese, caramelized onions, and also a pink wine sauce. It’s served with