Discover how to make a roux—the secret to thickening your favorite dishes! This roux recipe works for gravy, soups, stews, ...

Here, we explain how cornstarch works and what you can use as a substitute should you find ... This is similar to a roux when using flour as a thickener, except that cornstarch slurries are ...

Watch for details. A roux is basically frying flour in a fat. The fat you should use is a high temp oil to prevent scorching. Traditionally peanut oil is used. The ratio is equal parts oil to flour.