Cook pasta according to package directions until al dente.

Drain the pasta well, without rinsing.

In a medium-size skillet, melt butter over medium heat.

Sauté chopped garlic in butter until fragrant.

Add minced parsley, salt, and pepper to the skillet.

Pour in half and half and add Parmesan cheese.

Stir the sauce over heat until it's warm and slightly thickened, avoid boiling.

Place the cooked pasta in a heated serving bowl.

Pour the Alfredo sauce over the pasta and toss to coat.

Serve immediately and sprinkle with extra Parmesan cheese if desired.