Place all ingredients in a pasta bowl, except for the rucola and the ricotta. Bring water to a boil, add salt, add pasta. 30 seconds before pasta is cooked, add rucola to the pot, stir gently. After 30 seconds, drain pasta, and add to the bowl with the other ingredients. Mix well, at the end add 2 tbs ricotta, mix gently. Top with the extra tbs of ricotta and add a good quantity of freshly ground pepper. Serve hot.