In small pan, sauté (in olive oil) diced red pepper, celery, carrot and scallion until just softened. Take off heat and set aside to cool.
In medium size bowl, mix together mayo, lemon juice, chili paste, and seasonings. Add the veggies once they have come to room temp. Salt to taste if needed.
Add the cooked/drained pasta and fresh parsley. Mix together and chill in the refrigerator for a few hours.
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