Stir in the garlic and 1 1/2 cups of the parmesan. Add the shrimp and pasta to the skillet and coat in the sauce, then add the parsley and toss to combine. Taste and adjust the seasonings as needed.
The sauces are made from a canned sauce base, which is then cooked ... to combine it with some grilled chicken or shrimp to make a homemade Chicken Alfredo or Shrimp Alfredo.