Clean the shrimp and sprinkle with salt.
Finely chop the onion and garlic.
Heat olive oil in a pan and sauté the garlic and onion.
Add the prepared shrimp and cook thoroughly.
Pour in heavy cream, milk, and Parmesan cheese powder, then mix well.
Add the cooked fettuccine pasta and toss with the sauce.
Season with salt and pepper to taste.
Finish with parsley.