For dressing:
Place all ingredients into bowl of food processor or into blender.
Blend until smooth.
To make salad:
Make dressing (see above).
Cook pasta according to package directions. Strain and slightly rinse (I never rinse too much because I think the starch of the pasta water helps the dressing to adhere to the pasta).
While pasta is cooking, grate carrot, chop celery, slice bell pepper, chop cilantro, and rough chop cashews.
When pasta is finished cooking an slightly cool, add dressing (you might have a little extra).
Stir to mix.
Gently mix in veggies and chopped nuts.
Before serving, garnish with additional chopped cilantro and chopped cashews.