Step 1

In a large saute pan or sauce pan, melt the butter over medium heat until it stops foaming.

Step 2

Add the garlic and cook for 30-60 seconds, while whisking, until the garlic becomes fragrant.

Step 3

Sprinkle the flour evenly over the butter and garlic and whisk to combine. Cook for 1 minutes, while whisking, until the flour is absorbed.

Step 4

Slowly whisk in the half and half until it is incorporated. Let the sauce simmer, while whisking for 1-2 minutes until it starts to thicken.

Step 5

Remove from the heat and whisk in the parmesan cheese, salt, pepper, and nutmeg.

Step 6

Whisk in the reserved pasta cooking water to get the desired consistency. Use immediately or cool for use later.