Thickening for Roux-based Sauces
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A roux-based sauce thickener is a foundational cooking technique, not a standalone dish, originating from French cuisine. It involves cooking equal parts fat (like butter) and flour together to form a paste, which is then gradually whisked into a liquid such as milk or stock to create a smooth, thickened sauce. This method is the base for classics like béchamel, velouté, and gravy.
🍽️ Nutrition at a glance
A serving of a finished roux-based sauce is primarily a source of carbohydrates from the flour and fat from the butter or oil used. It provides minimal protein and key nutrients like iron from the flour and calcium if made with milk, with a calorie count that varies widely but can range from 100 to 200+ calories per half-cup depending on the specific recipe.
💡 What's interesting
Culturally, mastering the roux is considered a fundamental skill in classical French cooking and many Western culinary traditions. Nutritionally, the cooking process of the roux itself changes the flour's starches, affecting the sauce's final texture and flavor, from a light, nutty taste in a blonde roux to a deep, rich flavor in a dark roux used in Cajun and Creole cuisine.