1. Bring a large pot of salted water to a boil. Once boiling, add pasta and cook according to package directions. Drain.

2. While pasta is cooking, heat oil in a large skillet, then add shrimp and sauté until opaque, about 3 minutes. Add cooked pasta, sauce, and spinach into the skillet with the shrimp and stir until everything is well coated with the sauce.

3. Serve with freshly grated Parmesan cheese, if desired