French cuisine across the country. Knowledge of French cooking has contributed significantly to Western cuisines. Its criteria are used widely in Western cookery school boards and culinary education. In November 2010, French gastronomy was added by the UNESCO to its lists of the world's "intangible cultural heritage". In French medieval cuisine, banquets were common among the aristocracy. Multiple courses would be prepared, but served in a style called "service en confusion", or all at once. Food was generally eaten by hand, meats being sliced off in large pieces held between the thumb and two fingers. The sauces were highly seasoned and thick,
French cuisine contrôlée" (AOC) (regulated appellation) laws. French cuisine was made important in the 20th century by Auguste Escoffier to become the modern haute cuisine; Escoffier, however, left out much of the local culinary character to be found in the regions of France and was considered difficult to execute by home cooks. Gastro-tourism and the "Guide Michelin" helped to acquaint people with the rich bourgeois and peasant cuisine of the French countryside starting in the 20th century. Gascon cuisine has also had great influence over the cuisine in the southwest of France. Many dishes that were once regional have proliferated in variations