Asparagus Carbonara

Name: Asparagus Carbonara
Ingredients: 4 ounces pancetta, cut into small dice; 1 pound thin asparagus, trimmed and cut crosswise into 2-inch pieces; 2 large egg yolks, lightly beaten; 1/2 tablespoon unsalted butter; 3 tablespoons finely grated Parmigiano-Reggiano; Fine sea salt; 1/4 teaspoon freshly ground black pepper