
Roux is a foundational element in many cuisines, particularly classic French cooking. It's a cooked mixture of equal parts by weight of flour and fat, most commonly butter, though other fats like oil or clarified butter can be used. The color of the roux, ranging from white to blond to brown or even dark brown, depends on how long it's cooked and significantly impacts its flavor and thickening power. A lighter roux, like a white roux, has a mild, nutty flavor and is used for sauces like béchamel. A darker roux, such as a brown roux, develops a deeper, richer, nuttier flavor and is often used to add depth and color to dishes like gumbo.
Experience smarter, stress-free cooking.
Roux is best used immediately after preparation. However, if you need to store it, allow it to cool completely before transferring it to an airtight container. Store in the refrigerator for up to 3-4 days. You can also freeze roux for longer storage (up to 2-3 months). When ready to use, thaw in the refrigerator overnight and whisk well to restore its smooth consistency. Keep in mind that the texture may change slightly after freezing.