Bring a pot of salted water to a boil and cook the fettuccine according to the package directions.

Place a pan on the stove, add the butter, and let it melt. Then, add the sliced chicken and cook, stirring, until it changes color.

Add the salt, garlic powder, black pepper, and white pepper.

Pour the cooking cream over the ingredients and let it cook until the sauce thickens.

Drain the cooked pasta and add it to the cream mixture in the pan. Stir everything together and let it simmer for a minute.

Pour the fettuccine onto a serving plate, sprinkle with Parmesan cheese, and serve hot.