Add salt, olive oil, and pasta into boiled water and boil. Strain the pasta and add butter. For the sauce, stir the butter in a sauté pan and add the chicken breasts chopped into thin strips, then cook until the chickens get color. Then, add the chopped Tat Mushrooms, Tat Walnut Paste, salt, pepper, and cook. Finally, add heavy cream and let it cook for another couple of minutes. Add the prepared sauce to the buttered spaghetti and take it to a serving plate. Add grated cheese and serve hot.