Add Yahoo as a preferred source to see more of our stories on Google. A bowl being placed into a microwave. - Kinga Krzeminska/Getty Images The ability to make a good roux can make or break a chef.

Adding cooked chicken to the gumbo, which was made in a microwave oven. (Photo by David Grunfeld / Nola.com / The Times-Picayune) The first person I ever saw make a roux was a guy who grew up in ...