In a large pot cook pasta according to package directions.
While pasta is cooking prep the other ingredients, slice shallot and mince garlic.
Drain the pasta and set aside.
In same pot that the pasta was cooked in, turn heat to low and sauté, shallot and garlic for 1 minute.
Add ricotta, Parmesan cheese, heavy cream, lemon juice, lemon zest, salt and pepper.
Stir in the pasta to coat. Serve immediately with extra Parmesan if desired.