"It's about sending a message that France is a country where we eat well, where we have skills, especially cooking skills," she said. "We wanted to give concrete tools for tourists and for French people, and recognize cooking as an integral part of our French identity."
While UNESCO put French cuisine on its World Heritage List in 2010, two recessions in recent years have driven more and more French chefs to resort to pre-packaged food to cut costs. And France is a champion of industrial food, with companies specialized in frozen foods or dishes that can be prepared quickly and look homemade.
Alain Dutournier, cook and spokesman for the Culinary College of France, a non-profit supporting French gastronomy, is among those who think the law makes it too easy for restaurants to claim a dish is home-made.
"It's really not very serious. I thought it would be more rigorous and precise," he said. "Once again they are choosing to serve the interest of the food-processing industry."
Diners at Crom'Exquis, a restaurant in Paris' 8th arrondissement, gave the new law mixed reviews. Anne-Laure Bernard called it "a great tool."
There is an exception for potatoes. Dubbed by French media the "McDonald's exception," it means that no one making French fries out of pre-peeled potatoes can claim to be "home-made."
Parliament approved the law March 17, and it came into effect this week. Restaurants and catering companies have until Jan. 1 to adapt their menus.