Short answers, pulled from the story.
Service en confusion was a medieval French banquet practice where all courses were placed on the table simultaneously and diners ate with their hands. This theatrical display featured roasted swans or peacocks sewn back into their own skin with gilded feet and beak, stuffed with minced flesh of other birds.
François Pierre La Varenne published Le Cuisinier françois in the 17th century, introducing the roux made from pork fat and shifting focus toward lighter dishes. This work marked a decisive break from medieval excess and laid the groundwork for the rise of haute cuisine.
Georges Auguste Escoffier revolutionized the professional kitchen by creating the brigade system, a hierarchical structure that divided the kitchen into five distinct stations. This system replaced chaotic one-person preparation with collaborative effort, drastically reducing preparation time and ensuring consistency in dishes.
The nouvelle cuisine movement that emerged in the 1960s was defined by ten characteristics prioritizing freshness, lightness, and clarity of flavor. Chefs reduced cooking times for fish and vegetables, abandoned heavy sauces like espagnole and béchamel, and used fresh herbs, quality butter, lemon juice, and vinegar instead.
French regional cuisine features extreme diversity with 22 regions and 96 departments offering distinctive dishes. Normandy and Brittany provide top-quality seafood, Provence is rich in citrus and herbs, Burgundy and Franche-Comté are famous for wines and cheeses, and the south-west is renowned for foie gras and confits.
French gastronomy was added to the UNESCO list of the world's intangible cultural heritage in November 2010. This recognition highlighted the importance of French culinary traditions to the global community and acknowledged the modern restaurant as a global institution originating from French culture.