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Home » Recipes » Soup & Stew Recipes

How to Make Roux for Gumbo

Published: May 22, 2023 · Modified: Aug 22, 2024 by Brooke Fajcz · As an Amazon Influencer, we earn from qualifying purchases.

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Have you ever wondered what all the fuss is about when people discuss making roux for gumbo?  Maybe you feel intimidated, or just wonder why even bother.

If you're getting ready to make gumbo, check out our recipes for seafood stock and New Orleans gumbo. Don't miss our 13 Mardi Gras recipes, too!

stirring a dark roux in a cast iron skillet.
Jump to:
  • About
  • Why This Recipe Works
  • Ingredients
  • How to Make Roux for Gumbo
  • Recipe FAQs
  • Serve
  • Expert Tips
  • Other Southern Recipes You'll Love
  • Recipe
  • Comments

About

You might be wondering, what is a roux? It is a classic French cooking technique that is means browned butter. Traditionally, you start with equal amounts of flour and fat by weight. The fat is melted, then the flour is gradually added by whisking it in so it is smooth. It is then cooked to the level of brownness that is needed for the recipe: white, blonde, light brown, or dark brown. It is an essential thickener to sauces, gravies, soups, and casseroles.

Why This Recipe Works

  • Ratio: We use slightly more flour than fat with a ratio of 1 cup flour to ¾ cup fat.
  • Heavy Bottomed Skillet: We use a cast iron skillet when making a dark roux for gumbo because it has more even heat distribution so the roux won't burn as easily and has superior residual heat which allows it to continue to cook and darken once it's off the heat.
  • Heat: We suggest using low medium to medium heat for making a dark roux for gumbo, so it doesn't burn. You can smell it when it burns; it's like burnt popcorn. When this happens, you'll have to start over.
  • Constant Stirring: We are firm believers in constant watching and stirring so it doesn't burn. Remember to get into the corners.

Ingredients

bowls of flour and lard with a whisk.

Curious what you need to make roux for gumbo? There's only two simple ingredients: fat and flour. Let's talk a little about these key ingredients.

  • Flour: All-purpose flour is the best choice for this recipe. We haven't tested this recipe with gluten free flour, so if you need to go this route for dietary reasons, please experiment.
  • Fat: You can use a variety of different neutral tasting oils or animal fats for roux for gumbo, but we like to use lard or vegetable oil. Butter is good for a white, blond or peanut butter roux. We don't recommend butter for a roux that is copper penny colored, milk or dark chocolate.

See recipe card for full information on ingredients and quantities.

How to Make Roux for Gumbo

Gather your two ingredients: fat (oil or lard) and all purpose flour.

adding flour to hot lard in a skillet and whisking.
  1. In a cast iron skillet, melt the lard or heat the oil over high heat until shimmering then turn it down to medium heat and gradually add the flour a little at a time. (image 1)
  2. Whisk the flour into the fat with a flat whisk until all the flour is well mixed. After 2 to 5 minutes, you'll start to see a change in color.  The first color stage is a white roux. (image 2)
a roux at the blonde and peanut butter stages.
  1. Keep whisking and after 5 to 10 minutes you'll see the next color change: a blonde roux.  As it thickens, change the whisk for a wooden spoon. Make sure to stir into the corners. (image 3)
  2. After 15 to 30 minutes, you'll eventually see the roux change to a peanut butter color, which is the light brown roux. (image 4)
a roux at the copper penny and dark chocolate stages.
  1. The next color stage will be the copper penny stage which can take 30 to 45 minutes. This is common for a Creole gumbo.
  2. After that, the milk chocolate roux for gumbo which takes 45 to 60 minutes and finally the dark chocolate roux. Both the milk chocolate and the dark chocolate roux is commonly used for Cajun gumbo.
    The flour should smell nutty, not burnt.  Remove the cast iron skillet from the heat when it's the milk chocolate color and let it cool in the cast iron skillet. It will darken and thicken as it cools.

Recipe FAQs

What is the best cookware to use?

The favorite choice of chefs is cast iron, either enameled or seasoned, because of its even heat distribution and excellent heat retention. If you don't own a cast iron, use a heavy-bottomed skillet. Using a pan that has a thin bottom will increase your chances of burning it because the pan will heat more unevenly and won't hold the heat as well.

What is the recommended fat to use?

The best type of oil fro a roux for gumbo would be a unflavored oil like vegetable or canola. Stay away from olive oil, coconut oil, or peanut because they aren't neutral. If you prefer using animal fats, like we do, you can choose from lard, bacon grease or duck fat. Butter is only good for a white, blond and peanut butter roux, and it's not recommended for copper penny, milk or dark chocolate colored roux that's needed for gumbo.

What is the best flour for a roux?

The best flour for roux for gumbo is all purpose flour. Since you need to cook the flour for 45 to 60 minutes for a milk chocolate or dark chocolate roux, it's best to stick to what will give you consistent results.

How much roux does 1 cup of flour make?

Traditionally, the ratio for making roux is 1:1 fat to flour. We like to use the ratio 1 cup of flour to ¾ cup melted lard or vegetable oil when making roux for gumbo. Both of these ratios will give you 1 cup of roux.

How do you store roux for gumbo?

Make Ahead: Yes, this recipe is perfect to make ahead. Just allow to cool completely then store in the fridge.
Leftovers: Allow to cool then place in an airtight container, like a mason jar, and store in the fridge for up to 1 month.
Freeze: Allow to cool completely, and put in a freezer friendly container for up to one year.
Reheat: When ready to use, thaw in the fridge overnight, then put the roux back in the cast iron pan, reheat over medium-low heat, and proceed with making gumbo.

Serve

Learning how to make a roux is a skill every chef should have. A white or blonde roux can be used in sauces like alfredo basil sauce, creamy soups like beer cheese soup, gravies like in Salisbury steak, béchamel sauce, and New England clam chowder.

A peanut butter to copper penny colored roux has a nutty flavor and is used in Creole gumbo, shrimp étouffée, and espagnole sauce. A milk or dark chocolate roux for gumbo has a rich complex flavor and is used in Cajun seafood gumbo.

dark roux for gumbo in a glass measuring cup.

Expert Tips

  • Stir constantly.  Have a wire whisk and a wooden spoon beside the stove.  Change hands so your arm gets a break.  If you have a responsible kitchen helper, you can take turns stirring.  Don't walk away from it.
  • Warning Signs: If your roux for gumbo has black flecks, smells burnt, or it turns black, it is burnt and you must start over.
  • Be patient.  A dark roux takes time--anywhere from 45 minutes to one hour.  For fun, if you want to compare color, take out a copper penny, milk and dark chocolate before you start.  Relax and enjoy the process.
  • The roux darkens and continues to cook when it's removed from the source of heat, especially if it's in a cast iron pan.
  • If you're making it ahead of time, let it cool, then transfer it to an airtight container, like a mason jar and refrigerate to use the next day.  When ready to use, put the it back in the cast iron pan, reheat over medium-low heat, and proceed with making gumbo.

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Recipe

stirring dark roux in a cast iron skillet.

How to Make Roux for Gumbo

Learn how to make roux for gumbo with this easy recipe.  Now you can recreate this Deep South comfort food at home by using this traditional roux recipe.  It’s simple and perfect for your next special meal.
4.6 from 5 votes
Print Pin FavoriteSaved! Rate
Course: Stews
Cuisine: American
Prep Time: 2 minutes minutes
Cook Time: 55 minutes minutes
Total Time: 57 minutes minutes
Servings: 2 cups
Calories: 151kcal
Author: Brooke & Emma

Ingredients
 

  • ¾ cup melted lard or vegetable oil
  • 1 cup all-purpose flour

Equipment

  • flat whisk
  • cast iron skillet
  • wooden spoon
Keep your screen on while you work!

Instructions

  • Melt the lard or heat up the vegetable oil over high heat in a large cast iron skillet.
  • White: Gradually whisk in the flour until it is well mixed, then turn the heat down to medium and whisk constantly. After 2-5 minutes, you'll start to see a change in color. This stage is called a white roux.
  • Blonde: Keep whisking and after 5-10 minutes you'll see the next color change: a blonde roux. If you like, exchange your whisk for a wooden spoon, but keep stirring constantly so the flour doesn't burn.
  • Light Peanut Butter: After stirring for 15-30 minutes, the flour will darken to a golden brown or peanut butter color. For this stage, keep the heat to be anywhere between medium low and medium.
  • Copper Penny: This will require about 30-45 minutes of constant stirring.  Be patient--it's worth it. The smell of the flour browning should give off a nutty aroma.  If you smell it burning, lower the heat or move the cast iron skillet off the burner for a while.  If there are black flecks in the roux, it is burnt and you'll have to start over, as a burnt roux will taste bitter.
  • Milk Chocolate: After 45-60 minutes of stirring, you'll achieve a milk chocolate color roux, which is perfect for a Cajun gumbo.
  • Dark Chocolate: After you reached the milk chocolate roux stage, remove the cast iron skillet from the heat and continue stirring for a couple of minutes. Allow the roux to cool in the skillet, and it will darken because of residual heat. Now, you'll have a wonderful base for your gumbo.

Video

Notes

  • Get all the ingredients and supplies ready before you start making your base for gumbo.
  • Stir constantly with a a wire whisk or a wooden spoon, and don't walk away from it.  If you need to leave it, recruit a kitchen helper to stir.
  • Warning Signs: If your roux for gumbo has black flecks, smells burnt, or it turns black.
  • Be patient!  It will take 45-60 minutes of stirring to get a milk chocolate roux for your gumbo.
  • The roux darkens and continues to cook when it's removed from the source of heat, especially if it's in a cast iron pan.
  • Making this ahead of time?  Let it cool completely, then transfer it to an airtight container and refrigerate for up to 1 month.

Nutrition

Serving: 2tablespoonsCalories: 151kcal (8%)Carbohydrates: 8g (3%)Protein: 1g (2%)Fat: 13g (20%)Saturated Fat: 3g (19%)Polyunsaturated Fat: 4gMonounsaturated Fat: 5gTrans Fat: 2gSodium: 1mgPotassium: 11mgFiber: 1g (4%)Sugar: 1g (1%)Calcium: 2mgIron: 1mg (6%)

Serving sizes and nutritional information are only an estimate and may vary from your results.

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Reader Interactions

Comments

  1. Antoinette & Randale Jackson

    January 10, 2023 at 7:58 pm

    WHY NOT COCONUT OIL???

    Reply
    • Emma

      January 11, 2023 at 4:58 am

      Coconut oil isn't our top pick for roux for gumbo, but technically you can use any oil that doesn't have a low smoke point. Let us know how you roux turns out!

      Reply
  2. Jay

    November 15, 2020 at 1:07 pm

    Why not. Peanut oil

    Reply
    • Emma

      November 16, 2020 at 6:59 am

      Yes, you can definitely use peanut oil.

      Reply
  3. Eddie

    November 08, 2020 at 5:20 pm

    Can I make this is a magalight pot

    Reply
    • Emma

      November 09, 2020 at 11:44 am

      You absolutely can, Eddie!

      Reply
  4. Rickey McConal

    October 25, 2020 at 4:17 pm

    5 stars
    Good recipe but there is no "Holy Trinity" in recipes/cooking. The trio of ingredients you mentioned are the Cajun Trinity. There is also a Chinese trinity and a trinity known as a mira poix.

    Reply
    • Emma

      October 27, 2020 at 8:02 am

      I'm so glad that you enjoyed reading this post and that you're really into cooking. Wikipedia lists the "holy trinity" in Cajun and Creole cuisine as a valid term that most likely originated in the 1980s by chef Paul Prudhomme.

      Reply
  5. Jacki

    March 24, 2020 at 7:47 pm

    5 stars
    Just wanted to thank you for your post it was so easy to do

    Reply
    • Emma

      March 25, 2020 at 6:25 am

      You're very welcome, Jacki! Glad you found this easy.

      Reply
  6. Teresa

    November 19, 2019 at 1:25 am

    I wanted to post a photo to see if I got my roux too dark. (But I don’t see where to upload a photo 😂) I’ve made roux this will be my second time. I had saw somewhere where you could get it the color of chocolate. This time that’s what I done. But the time before I don’t it the color of peanut butter. It was amazing. So I wanted to try to go darker for even more flavor. I kept it stirred so that it didn’t stick. 😁 Even though it didn’t stick..how do you tell if it’s burnt or not? When I let it cool to pour in the bowl for storage it was so thick. Is that normal?

    Reply
    • Emma

      November 19, 2019 at 2:51 pm

      Hi Teresa! We don't have a place for you to upload a photo on our blog, but you can definitely do that on Pinterest! Just find our Roux pin on Pinterest and leave your photo there.
      We're thrilled that you found this recipe to be good! You can tell if the roux is burnt by smelling and tasting it. It definitely will be very thick; that's a good thing. Happy cooking!

      Reply
    • Cheryl

      June 24, 2020 at 4:43 pm

      3 stars
      A true cajun gumbo has a very dark roux - not the color of a copper penny. The trick is to stir stir stir and don't let it burn - making roux takes more than 30 minutes usually depending on your batch - it should be more the color of chocolate - that's the key to a good roux

      Reply
      • Emma

        June 24, 2020 at 5:41 pm

        Cheryl, feel free to cook the roux longer if you like a darker color. Creole rouxs are typically very pale, so this recipe technically would be considered a Cajun roux. The copper penny stage is the lightest that one should go, but darker is totally okay as well.

        Reply
  7. Terren Otis

    July 25, 2019 at 9:52 pm

    5 stars
    This is a wonderful comprehensive recipe. I thank you, so very much. Terren

    Reply
    • Emma

      July 26, 2019 at 10:51 am

      Thanks, Terren! We're so glad that you enjoyed the recipe!

      Reply
  8. Suzanne Hoffman

    April 15, 2019 at 9:10 pm

    5 stars
    Your recipes and explanations are extremely well-done. I often have people ask me for my gumbo recipe, but I don't have the patience to write out all the steps and find it hard to explain. You've given me a great resource to share. People are so afraid of roux, but the most ingredient of all is patience, which you added. For some reason, however, people outside of Louisiana think of roux only as something we make for gumbo. So many other great Louisiana dishes begin with a light roux and for those butter is a delicious fat to use.

    Reply
    • Emma

      April 18, 2019 at 6:43 am

      Thank you so much, Suzanne! You're right--many dishes use a roux, such as white sauces and gravies. We're glad you enjoyed the gumbo recipe!

      Reply

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