INGREDIENTS
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Ingredients
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2 tablespoons olive oil or vegetable oil, plus some for drizzling
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1/4 pound button mushrooms (5-6), stemmed and very finely chopped
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1 carrot, very finely chopped
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1 rib celery, very finely chopped
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1 shallot, very finely chopped
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2-3 cloves garlic, very finely chopped
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Salt and pepper
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2 large or 3 medium Russet potatoes, peeled and cubed
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1 1/2 pounds coarse beef chuck
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4 tablespoons Worcestershire sauce, divided
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1/4-1/3 cup whole milk
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2 tablespoons sour cream
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2 tablespoons horseradish
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1 egg yolk, beaten
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4 tablespoons butter, divided
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2 tablespoons chives, finely chopped
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2 tablespoons flour
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1 can beef consommé
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1 tablespoon Dijon mustard
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4 slices white bread, toasted and lightly buttered
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Chopped flat leaf parsley, for garnish
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Serves 4