Brillat-Savarin is a soft , white-crusted cow 's milk cheese with at least 75 % fat in dry matter ( roughly 40 % overall ) , named after the 18th century French gourmet Jean Anthelme Brillat-Savarin . Brillat-Savarin is a soft , white-crusted cow 's milk cheese with at least 75 % fat in dry matter ( roughly 40 % overall ) , named after the 18th century French gourmet and political figure Jean Anthelme Brillat-Savarin .