Making Beurre Blanc
The secret to this sauce isn't the butter, but the temperature. If your pan is too hot, the emulsion breaks into oil; if it's too cold, the butter won't incorporate. You are looking for a soft, stable creaminess that coats the back of a spoon.
Keep the butter cold until the last possible second.
Your butter must be firm, straight from the refrigerator, and cut into small, uniform cubes to ensure it melts at the same rate as you whisk it into the base.
- small stainless steel saucepan
- balloon whisk
- fine-mesh sieve
What goes in.
- 1/4 cupdry white wine
- 2 tbspwhite wine vinegar
- 1shallot, finely minced
- 1/2 lbunsalted butter, chilled and cubed
- 1 pinchkosher salt
Temperature Management
Use low heat and keep the pan moving. If the sauce begins to separate or look greasy, remove it from the flame immediately and whisk in a teaspoon of cold water or cream to pull it back together.
The method.
Reduce the base
Combine the wine, vinegar, and minced shallots in your saucepan over medium heat. Simmer until the liquid is almost entirely gone, leaving only about a tablespoon of syrupy solids.
Lower the heat
Turn the burner to its lowest setting. Add one cube of butter at a time, whisking constantly. Wait for the butter to be almost completely absorbed before adding the next piece.
Build the structure
Continue adding butter until the sauce is thick and opaque. The consistency should resemble a heavy hollandaise. Do not let the sauce boil once the butter is added.
Finish and strain
Season with salt. If you prefer a smooth sauce without bits, pass the mixture through a fine-mesh sieve into a warmed bowl.
Other turns to take.
Beurre Rouge
Replace the white wine and vinegar with red wine and red wine vinegar for a robust, purple-hued sauce meant for heavier proteins.
Herbed Beurre Blanc
Fold in a teaspoon of finely chopped fresh tarragon or chives at the final step.
When it doesn't go to plan.
If the sauce feels too thick, whisk in a few drops of warm water.
A heavy-bottomed pan helps prevent hot spots that can break the emulsion.
Keep the finished sauce in a warm place, such as the back of the stove, but never return it to direct heat.
The ones that keep coming up.
What if my sauce breaks?
Remove the pan from the heat immediately. Add a tablespoon of heavy cream or cold water to a clean bowl and slowly whisk the broken sauce into it to re-emulsify.
Can I make this ahead of time?
It is best served immediately. If you must wait, hold it in a thermos or a warm water bath for no longer than thirty minutes.
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