How to Make a Roux (Easy Recipe) | Blue Apron (2024)

• February 28, 2014

• Food Preparation, How-To

Every month, Lori YatesfromFoxes Love Lemonstakes a lesson she learned in culinary school, while working with some of the country’s best chefs, and takes it into the home kitchen, where her tips will help make you a faster, better, and more confident cook. Welcome to her column,Home Chef. Her post today is all about roux, and how it can be used to make a festivegumbo.

In some ways, I feel that 90 percent of what I learned in culinary school, I actually learned in my very first class. That first class wasn’t even so much of a class, but more like a “try out” to be allowed to apply to the school itself. In that class, you were taught the very basics—how to poach an egg, how to make the five “mother sauces” of French cuisine, and how to make chicken stock. If you couldn’t master those tasks, you probably wouldn’t cut it in the next two years of school, and thus, you weren’t admitted.

That first class involved sautéing enormous amounts of flour and butter, also known aslearning to make roux.Roux can be used to thicken a variety of sauces, soups and stews. It also lends a unique flavor to those dishes, as cooking flour in fat changes the flour’s taste from a raw, cereal-like flavor to a toasted, nutty flavor.

What is a roux?

Roux can be made with any type of white wheat flour, butall-purpose flouris the most commonly used. Clarified butter is often used to prepare roux, but whole butter works just as well, and saves you a step. You can also use vegetable oil or rendered animal fat. Whatever fat you chose will have an effect on the flavor of your finished dish.

How to make a roux

The basic formula is three parts flour to two parts fat (translated, that’s 3/4 cup flour combined with 1 stick of butter). You melt the fat in a skillet over medium heat, and then gradually stir in the flour. The roux should have a glossy sheen, and as my culinary school instructors frequently reminded me, should resemble wet sand. If you love going to the beach as much as I do, this should be pretty easy to remember.

You’ll want to stir the roux almost constantly as it is cooking. A wooden spoon works fine, but a heatproof spatula is your best option for scraping the pan and making sure that it doesn’t scorch.

The difference between white, blond, and brown roux

Both the flavor and the color become more pronounced the longer you cook it. Depending on the source, there are either three or four different colors of roux. The first iswhite roux, which is barely colored and chalky. For white roux, you just need to combine and barely cook the flour and butter. Because this doesn’t give the flour much chance to change flavor at all, most recipes that call for a light roux actually call for blond instead.

Blond rouxhas a golden straw color and a very slight nutty aroma. This light paste is often used to thicken white sauces such as the cheese sauce you would prepare formacaroni and cheese.It can also be used to thicken creamy soups.

Brownrouxis deep brown, with a strong nutty aroma. It can be used to thicken meat drippings for a quick and flavorful pan gravy.Darkrouxis very dark drown, with a pronounced nutty flavor and aroma, making it a perfect thickener for rich gumbo and other spicy Cajun and creole food. It’s important to remember thatthe darker a roux is, the less thickening power it has, as the browning process causes some of the starch in the flour to break down.So, the darker your base is, the more of it you’ll need to thicken your recipe.

White roux takes just about 1-2 minutes of cooking time; blond takes about 3-5 minutes; brown takes 7-10 minutes and dark takes 11-12 minutes. Depending on the size of the batch you are preparing, the size of skillet you use and your stove, cooking times for each of these colors can vary. Once the color begins to change, things can start to happen quickly. Watch your pan carefully and keep stirring.

How to cook with roux

Roux can be stored at room temperature up to a week, or it can be frozen indefinitely. When adding to a sauce or soup, it’s important to have a temperature difference between the roux and what you’re adding it to—this prevents lumps. Cool roux can be added to hot liquid, or cool liquid can be added to hot roux right after you’ve prepared it. After you’ve added roux to the liquid you want to thicken, you’ll need to heat the liquid up to just below boiling (about 200°F) for the full thickening action to take effect.

What are you waiting for?Get in the kitchen and whip up a batch of gumbo!

Lori Yatesis a Detroit-area food writer, photographer and recipe developer. She is the author ofFoxes Love Lemons,where she posts special yet simple original recipes and restaurant reviews. Her mission is to encourage people to enjoy the act of cooking at home. You can follow her onFacebookandTwitter.

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