Fill a large pot with salted water, about 6 quarts, and bring to a boil.

I a large fry pan heat the oil and saute the garlic over medium heat. Lightly brown the garlic then add the walnuts and red pepper flakes and cook until lightly toasted 3-4 min. Remove from heat and set aside.

Place the pasta in the boiling water and cook per package instructions until just al dente. Before draining the pasta add 1/3 cup of the water to the frypan and stir.

Drain the pasta in a colander and pour it into the frying pan. Place the pan back onto medium heat and toss the pasta with the sauce.

When it is heated through stir in parmesan and serve garnished with parsley.

Serve immediately