Cook the pasta to package directions in salted water.
In a medium pot, combine all the cheese sauce ingredients and warm over low to medium heat. Do not warm over high heat, or the cheese will burn onto the bottom of your pot before it's fully melted. It should only take about 2-3 minutes top for it to fully melt. whisk it continuously.
Pour the sauce over the prepared pasta and stir to combine.
Add salt to taste if needed, and serve.
Notes
Please note that the nutrition data below is a ballpark figure. Exact data is not possible.