Tomato sauce can stand on its own or it can also be paired with ingredients such as Italian sausage, clams, bacon cubes, tuna, meatballs or vegetables, for a more lively pasta dish. Tomato-garlic sauce is prepared using tomatoes as a main ingredient, and is used in various cuisines and dishes. In Italian cuisine, "alla pizzaiola" refers to tomato-garlic sauce, which is used on pizza, pasta and meats. Sauce tomate is one of the five mother sauces of classical French cooking, as codified by Auguste Escoffier in the early 20th century. It consists of salt belly of pork, onions, bay leaves, thyme, tomato
French cuisine and created new combinations and pairings. Some have speculated that a contributor to nouvelle cuisine was World War II when animal protein was in short supply during the German occupation. By the mid-1980s food writers stated that the style of cuisine had reached exhaustion and many chefs began returning to the haute cuisine style of cooking, although much of the lighter presentations and new techniques remained. There are many dishes that are considered part of French national cuisine today. A meal often consists of three courses, "hors d'œuvre" or "entrée" (introductory course, sometimes soup), "plat principal" (main course), "fromage" (cheese