Cook the pasta in plenty of boiling oiled water according to instructions, being careful not to overcook. Drain and refresh with cold water. Using a large frying pan heat some walnut oil and add garlic, shallots and peppers for a few minutes. Add chopped sun dried tomatoes, walnuts, basil and white wine. Add the drained pasta and gently reheat through. Add the spinach and season well. Cook for only a few minutes, to cook the spinach. Serve immediately with grated fresh parmesan and chopped fresh basil.