Step 1

Cook the spaghetti in a pot of salted water according to package instructions until al dente. Drain, reserving ½ cup of the cooking pasta liquid.

Step 2

In a large skillet over medium heat, heat the olive oil. Add the garlic, parsley, lemon zest and lemon juice. Add the cooking pasta liquid and parmesan cheese and stir to combine. Bring the sauce to a simmer.

Step 3

Transfer the cooked spaghetti to the skillet with the pasta sauce and toss until well coated. Serve with extra parsley and parmesan cheese, if desired.