Make Pasta according to the box directions, drain and set aside.
In a skillet over medium heat - melt butter and add shallots and cook for 2 minutes then add garlic and cook until fragrant about 30 seconds.
Add half and half and cream cheese and heat just until bubbly....do not boil it
Remove from heat and add in parmesan cheese and mix until the cheese is melted.
Add pasta to the skillet and toss until combined. Sprinkle with additional parmesan cheese and fresh chopped parsley.