Fill a large pot with lightly salted water and bring to a rolling boil.

Cook noodles at a boil until tender. Drain.

Heat butter in a large skillet over medium heat.

Cook and stir shrimp and garlic in butter for 1 minute.

Pour in alfredo, mix in parsley, season with salt.

Simmer, stirring frequently, until sauce is thickened.

Stir noodles into sauce until evenly coated. Serve hot.