Creamy Ramp Pasta with Asparagus

Name: Creamy Ramp Pasta with Asparagus
Ingredients: 3 ounces fresh ramps (about 16) or scallions (about 6); 1/2 cup extra-virgin olive oil; 1 1/2 ounces Parmesan cheese, grated (about 1/3 cup); 1/4 cup roasted unsalted sunflower kernels; 2 teaspoons grated lemon zest plus 2 tablespoons fresh juice; 3/4 teaspoon kosher salt; 3/4 teaspoon black pepper; 12 ounces uncooked cavatelli pasta; 1 pound fresh asparagus, trimmed; 1 1/2 teaspoons extra-virgin olive oil; 1/2 teaspoon kosher salt, plus more to taste; 4 tablespoons unsalted butter; 1/2 cup heavy cream; 1 ounce Parmesan cheese, grated (about 1/4 cup), plus more for garnish; 1/2 teaspoon grated lemon zest; 4 ounces ricotta cheese (about 1/2 cup)