Asparagus Soup with Parmesan Custards |
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Prep Time: 45 Minutes Cook Time: 105 Minutes |
Ready In: 150 Minutes Servings: 6 |
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Ingredients:
2 1/2 oz parmigiano-reggiano, coarsely grated (1 1/4 cups) |
1 cup heavy cream |
1/2 cup whole milk |
1 whole large egg |
2 large egg yolks |
1/8 teaspoon salt |
pinch of white pepper |
1 large leek (white and pale green parts only), finely chopped (1 1/4 cups) |
1/2 cup finely chopped shallot |
1/4 teaspoon black pepper |
3/4 teaspoon salt |
2 tablespoons unsalted butter |
2 1/2 lb asparagus, trimmed and cut into 1 1/2-inch pieces |
3 1/2 cups low-sodium chicken broth |
1 1/2 cups water |
1/4 cup heavy cream |
garnish: parmigiano-reggiano curls, shaved from a wedge with a vegetable peeler |
Directions:
1. Make custards: Bring cheese, cream, and milk just to a boil in a small heavy saucepan over moderate heat, stirring occasionally. Remove from heat and steep, covered, 30 minutes.
2. Preheat oven to 300°F.
3. Pour steeped cream through a very fine sieve into a bowl, pressing lightly on cheese solids and discarding them. Whisk together whole egg, yolks, salt, and white pepper in another bowl, then add steeped cream in a stream, whisking until smooth. Divide among well-buttered ramekins.
4. Set ramekins in a baking pan and bake in a hot water bath in middle of oven until centers of custards are completely set, 40 to 45 minutes. Transfer ramekins to a rack and cool 5 minutes (do not allow to cool longer, or custards will stick to ramekins).
5. Make soup while cream steeps and custards bake: Wash chopped leek in a bowl of cold water, then lift out and drain well. Cook leek, shallot, pepper, and 1/2 teaspoon salt in butter in a 4- to 6-quart heavy pot over moderately low heat, stirring, until leek is softened, about 3 minutes. Add asparagus, broth, and water and simmer, covered, until asparagus is just tender, 10 to 12 minutes. After 2 to 4 minutes, remove 6 asparagus tips, halve lengthwise and reserve for garnish.
6. Purée soup in batches in a blender until smooth (use caution when blending hot liquids). Transfer to a large bowl, then pour through a sieve into cleaned pot. Stir in cream, remaining 1/4 teaspoon salt, and pepper to taste and heat over moderately low heat until hot.
7. Serve soup with custards: Working with 1 custard at a time, run a thin knife around edge of each to loosen it, then invert a soup bowl over ramekin and invert custard into bowl. Repeat with remaining custards. Ladle soup around custards and garnish with reserved asparagus tips and parmesan curls.
8. Cooks' note: Soup can be made 1 day ahead. Cool, uncovered, then chill, covered.
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