Cook the pasta according to the instructions in the packet, drain and keep aside. You may drizzle little oil and stir once so that the pasta shells won't stick to each other.
Chop the onions, crush the garlic and ginger.
In a heated pan, add oil and fry the garlic and ginger, add the chopped onions and fry till tender.
Meanwhile chop up the parsley leaves finely and keep aside.
Once the onions and cooked, add the parsley leaves, add the butter and salt and fry for another 2 minutes. You can also cover the pan and cook the parsley onion mixture for another 2 more minutes if you don't want a strong flavor of parsley.
Once the onion parsley leaves mixture is sauteed well, add the cooked pasta and mix well.
Pour the sauce to the pasta and mix the pasta gently so each pasta shell is coated with the white sauce.
Serve and enjoy the delicious and simple parsley pasta with white sauce!