Cook the pasta according to the package instructions. Reserved ½ cup of the water used to cook the pasta.
In a large skillet, heat 1 tbsp of olive oil in medium heat. Add the garlic, bread crumbs, walnuts and parsley. Stir and heat until the bread crumbs are browned, about 3-5 minutes.
In a large bowl, toss the cooked pasta in the blue cheese, lemon, 2 tbsp of olive oil and the reserved pasta water.
Add the bread crumb mixture and toss until well coated. Add salt and pepper to taste.