01 -
Bring a large pot of salted water to a boil. Add the cavatappi and stir. Cook until just shy of al dente according to package directions.
02 -
While the pasta cooks, melt butter in a large skillet over medium heat. Add garlic and cook until fragrant, about 30 seconds.
03 -
Slowly pour in the heavy cream while stirring. Season with salt and pepper. Bring to a gentle simmer and cook, stirring, until slightly thickened, about 3 minutes.
04 -
Add Parmesan cheese a handful at a time, stirring after each addition until melted. Stir in the lemon juice and reduce heat to low until pasta is ready.
05 -
Reserve 1/2 cup of pasta water. Place frozen peas in a colander and drain the hot pasta over them to thaw.
06 -
Add pasta and peas to the skillet with the sauce, or return to the pot and pour sauce over. Add 1/4 cup reserved pasta water and toss constantly over medium heat until the sauce evenly coats the pasta, about 3 to 5 minutes.
07 -
Add more reserved pasta water in small splashes if needed to loosen the sauce. Season to taste, garnish with Parmesan, and serve hot.