Add the shrimp and garlic to the skillet and Sauté for 4 minutes. after 4 minutes, remove shrimp from skillet.
Add the half and half to the skillet and bring to a boil. Reduce heat and simmer for 15 minutes, stirring often.
Meanwhile, cook the pasta in salted water for 12-15 minutes or until pasta is al-dente.
After cooking the half and half for 15 minutes, add the shrimp, cheese, basil, pepper, and salt. Cook a minute or two to heat through. Note: if the sauce seems a little thin to your liking, stir in a little arrowroot to thicken it up.
Pour mixture into a bowl and add the pasta. Toss to mix; serve.