n n n Cook pasta according to the package instructions. Meanwhile, sauté the onion in butter over medium heat for 4-5 minutes.n n n n Add the salmon and keep cooking for another 5-7 minutes, breaking it into flakes as it cooks.n n n n Add the spinach and cook it for 1-2 minutes, until wilted. n n n n Add the heavy cream, Parmesan, garlic, salt, and pepper. Stir and bring to a gentle simmer.n n n n Add the cooked pasta and chopped parsley. Mix everything together thoroughly.n n n n Garnish with parsley and grated Parmesan. Serve.n nn