What causes Béchamel Sauce to get so clumpy? [duplicate]

What causes Béchamel Sauce to get so clumpy? [duplicate] - White Ceramic Plate With Green Vegetable and White Sauce

Possible Duplicate:
How not to mess up Béchamel sauce

Just starting to learn how to create cream sauces for dishes; as it's foreign to me. Most the sauces i know start with a slurry and soy sauce.

I tried creating sauces from this recipe.

Béchamel Sauce:

  • 2 tablespoons butter
  • 2 tablespoons all-purpose flour
  • 1 cup heated milk
  • salt
  • white pepper
  • freshly ground nutmeg (optional)

It seems to get lumpy. What is the trick? I think i may have added the flour too quickly or the milk had to be much hotter



Best Answer

Normally, in industry, you combine the butter and flour, and cook it for a bit (usually gets a nice nutty aroma). Then, you heat the milk to a boil, and add some of the milk to the cooked roux (fat and flour). This will be VERY thick. You can easily whisk the lumps out of that. You then add this back into the other milk, which thickens the milk. Also, in industry, there is often just a big pail of roux, and a shortcut is to heat the milk, and then add the roux in a bit at a time, whisking like hell to get out the lumps. You can control the thickness of the sauce better that way. When you have the desired thickness, you then season.




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Quick Answer about "What causes Béchamel Sauce to get so clumpy? [duplicate]"

As soon as the flour has lost its raw smell, start pouring in the milk in small additions, whisking the whole time. Adding in small increments is key. It allows you to ensure that the flour isn't sitting in clumps at the bottom of the pan, which can lead to a grainy or lumpy sauce later on.

How do you stop bechamel sauce lumpy?

If your bechamel sauce is turning lumpy while cooking, add ice-cold water instead of the next splash of milk and whisk like a banshee - it'll magically sort out the lumps!

How do you stop lumpy sauce?

Tips for Preventing Lumps in White Sauce
  • Make sure to cook the roux for enough time. It generally takes at least 5 minutes for a light-colored roux to cook. ...
  • Add a little milk at a time. Adding all the milk at once won't ruin your white sauce, but you will likely have to whisk for a while to smooth out the lumps.


  • How do you remove lumps from roux sauce?

    Whisk the sauce vigorously for about 10 seconds; this may be enough to repair a cheese sauce that's just beginning to curdle. If that doesn't work, keep the sauce off the heat and grab some flour. Adding a small spoonful of flour thickens and bonds the separated sauce.



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    More answers regarding what causes Béchamel Sauce to get so clumpy? [duplicate]

    Answer 2

    I was taught to always add cold roux to hot stock/milk, or cold stock to hot roux in order to prevent lumps, and my culinary arts textbook (On Cooking, 4th Edition) confirms this. It is also possible you did not cook the roux long enough before adding milk; after a minute or two with whisking, it should be bubbling and pasty in texture, with no visible clumps. This texture means the fat and flour are fully incorporated, reducing clumping.

    Answer 3

    I cook the butter and the flour together for a bit, like mrwienerdog said, until its a very dense mass. The trick to avoid lumps is to then add the milk (I don't heat it, like BobMcGee said) very little by little.

    I've found that adding a lot of milk will leave undisolved clumps of roux, but if you add a tiny bit of milk and mix it in, you'll get a slightly lighter roux, to which you can add another tiny bit of milk, and so on. All the while mixing vigorously over medium low heat. Once it has the right texture/consistency add the seasoning. Remember that once it cools béchamel will be (much) more thick than what it seems when your making it (don't over do it or it'll be solid).

    Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.

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