Step 1

Fill a large pot with water and bring to a boil.

Step 2

Add a handful of salt followed by the pasta and boil for 5 to 6 minutes or until the pasta is cooked through.

Step 3

Drain and set aside, Reserving 1/2 cup pasta water.

Step 4

Place a large skillet over medium heat and add butter. Once butter has melted add shallots and garlic and sauté for 2 to 3 minutes. Add pasta and pasta water and season with salt and pepper and toss together for 1 minute. Lower heat to medium. Add lemon zest and juice and continue to sauté for 2 minute. Finish pasta with additional lemon zest, a sprinkle of crushed red pepper flakes and a generous amount of freshly grated Parmesan. Toss together and serve.