INGREDIENTS
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2 1/2 oz Parmigiano-Reggiano, coarsely grated (1 1/4 cups)
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1 cup heavy cream
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1/2 cup whole milk
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1 whole large egg
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2 large egg yolks
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1/8 teaspoon salt
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Pinch of white pepper
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1 large leek (white and pale green parts only), finely chopped (1 1/4 cups)
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1/2 cup finely chopped shallot
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1/4 teaspoon black pepper
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3/4 teaspoon salt
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2 tablespoons unsalted butter
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2 1/2 lb asparagus, trimmed and cut into 1 1/2-inch pieces
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3 1/2 cups low-sodium chicken broth
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1 1/2 cups water
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1/4 cup heavy cream
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Garnish: Parmigiano-Reggiano curls, shaved from a wedge with a vegetable peeler
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Special equipment: 6 (2-oz) ramekins