How To: Make the basic French onion soup recipe

French onion soup is a classic of French cooking, and it is not too terribly difficult to master. This tutorial from Chef Jackie Robert shows you how to make it, and make it perfectly every time. All you need are: 20 pounds of sliced onion, 1/2 cup of olive oil, 1 bottle of white wine, 2 quarts of water, salt, pepper, French croutons, Swiss cheese and Muenster cheese.