Pasta with Spinach, Nutmeg, and Shrimp

Nutmeg naturally highlights spinach and pasta in this simple dinner dish. For maximum flavor, always use fresh grated nutmeg.
Prepare the pasta according to the instructions on the package, without adding salt or fat. Dry well; return to the mold. Add the spinach; mix well until the spinach wilts.Melt 1 tablespoon butter in a large nonstick skillet over medium-high heat. Add the shrimp. Sprinkle with 1/4 teaspoon salt; simmer 2 minutes or until shrimp is tender. Remove the shrimp from the pan; set aside. Melt 1 tablespoon of butter in a skillet over medium-high heat. Add the onion; cook for 10 minutes or until tender, stirring frequently.Add the broth, vermouth and zest. Increase the heat to medium-high; cook for 8 minutes or until the mixture begins to thicken. Reduce heat to medium. Add the cheese; mix until smooth. Add 1/4 teaspoon salt, nutmeg and pepper; remove from heat. Add the shrimp and onion mixture to the pasta mixture; toss to combine.