
Roux
Cuisine Term
Roux is a French culinary term so it's often used in the context of French or gourmet cooking. 
Base Ingredient
Roux can be made with different fats, such as butter, oil, or lard, depending on the dish. 
Cooking Stage
Roux is usually one of the first steps in recipes for soups and sauces, serving as a thickening foundation. 