Ingredients
- 1 1/2 pounds haricots verts (French string beans), stem ends removed
- 3 tablespoons unsalted butter
- 12 ounces white mushrooms, ends removed and sliced
- Kosher salt and cracked black pepper
- 1 teaspoon Dijon mustard
- 2 cloves garlic, minced
- 3 tablespoons flour
- 1 cup chicken broth
- 1 cup heavy cream
- 1 cup sour cream
- 1/3 cup fried crunchy fried onions
Yield
Serves: 6-8
Preparation
Bring a large pot of salted water to a boil. Add the beans and blanch until crisp but tender, 2-3 minutes. Immediately drain the beans and run cold water over them or plunge them into an ice bath to cool and stop the cooking process. Drain and dry.
In a large skillet, melt the butter and add the mushrooms. Season with salt and pepper, to taste, and add mustard. Cook the mushrooms, 5-8 minutes until they give off most of their liquid.
Using a whisk, add the garlic and flour to the mushrooms. Stir to incorporate then add the chicken broth. Bring to a simmer. Stir in the cream and sour cream, and bring to a simmer, tasting to adjust seasoning. Cook mixture until it’s thickened and coats the back of a spoon, about 10 minutes.
To assemble, stir the green beans into the mushroom mixture. Simmer on the stove, until the green beans become tender.
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