Combine all the ingredients except the cheese in a large saucepan, and saute on Med/low heat until the carrots and Celery are soft enough to puree
Puree in a food processor or blender until a smooth mixture is formed
Return the sauce to the pan and add the cheese, and stir until the cheese is melted
If you are combining the sauce with pasta add ½ cup of pasta water then add the al dente pasta If not your sauce is ready for a delicious topping or pizza sauce Finish cooking the pasta in the sauce and serve