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Mushroom Cream Sauce

A foolproof method for golden mushrooms and a sauce that finally tastes like a restaurant — built on Kenji López-Alt's cold-pan water technique.
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Prep Time 5 minutes
Cook Time 15 minutes
Total Time 20 minutes
Servings: 4 people
Course: Sauce
Cuisine: American
Ingredients Method Notes

Ingredients
  

  • 8 oz cremini or button mushrooms sliced ¼-inch thick
  • ¼ cup water
  • 2 tbsp unsalted butter
  • 1 shallot minced
  • 2 cloves garlic minced or grated
  • 1 tsp fresh thyme leaves
  • ¼ cup dry white wine or chicken/vegetable broth
  • 1 cup heavy cream 36% fat or higher
  • ½ tsp Dijon mustard
  • Fresh lemon juice, to taste
  • Salt and freshly ground black pepper, to taste
Optional additions
  • ½ tsp Worcestershire sauce see notes

Method
 

  1. Slice the mushrooms about ¼-inch thick. Add them to a cold, dry pan with the water. Place over high heat.
  2. Cook for 2–3 minutes, stirring occasionally, until the water has evaporated and the mushrooms have collapsed. The pan should now be completely dry.
  3. Add the butter to the dry pan with the collapsed mushrooms. The butter will sizzle immediately — that's the start of the Maillard reaction. Continue cooking, stirring occasionally, until the mushrooms are deeply golden brown, about 3–4 minutes.
  4. Add the minced shallot, garlic, and fresh thyme leaves. Cook for 1 minute, until fragrant.
  5. Pour in the white wine to deglaze the pan. Scrape the bottom of the pan with a wooden spoon to lift the fond (the browned bits). Let the wine reduce by half, about 1 minute.
  6. Reduce heat to medium-low. Add the heavy cream and Dijon mustard. Stir to combine and let the sauce simmer gently for 3–5 minutes, until it thickens enough to coat the back of a spoon (nappe consistency).
  7. Remove the pan from the heat. Add a squeeze of fresh lemon juice and season with salt and pepper to taste. Stir gently and serve immediately over chicken, pasta, steak, or polenta.

Notes

Worcestershire variation: For a deeper, more savory sauce, add ½ teaspoon of Worcestershire sauce when you add the cream. The glutamates in mushrooms combined with the inosinates in Worcestershire create umami synergy, multiplying perceived savoriness substantially. It's optional, but excellent.
Heavy cream is non-negotiable: Milk or half-and-half will curdle when reduced and acidified. The minimum fat content for a stable cream sauce is 36%.
If your sauce breaks: Pull it off the heat immediately and whisk in a tablespoon of cold cream. Acid added when the pan is too hot is the usual culprit.
Make-ahead: This sauce is best made fresh. If you need to prep ahead, cook through Step 5 (deglazing with wine), then refrigerate. Finish with cream, mustard, and lemon just before serving.
Serving suggestions: Excellent over pan-seared chicken breast, pork chops, steak, gnocchi, pappardelle, polenta, or roasted vegetables.