To a large pot of boiling water on your stove, add in the spaghetti, cook the spaghetti according to the package instructions. Once the spaghetti is almost through cooking, remove a 1/2 cup of the water that the spaghetti is cooking in and set the water to the side. Drain the spaghetti and set the spaghetti to the side.
To a large pan on the stove over medium heat add in the butter, once the butter has melted stir in the minced garlic.
Now add in the chicken and seasonings. Let the chicken cook in with the seasonings and garlic for 2 to 3 minutes.
Add the heavy cream, lemon, and Parmesan cheese stir. Let the Parmesan melt down then stir in the reserved pasta water. Let simmer for 2 minutes.