Place the sweet potatoes in boiling, lightly salted water in a large saucepan and boil, covered, for 10 to 12 minutes until tender. Drain and set aside on a plate.
Combine the apple, bell peppers, celery, red onion, and cilantro in a large bowl. Add the cooked potatoes, mixing lightly.
The Dressing:
Combine all the dressing ingredients, except for the oil, in a food processor and puree together. Drizzle in the oil and continue to process until thick.
Add the dressing to the vegetables and toss well.
Notes
Please note that I am not a medical or nutritional professional. I provide nutritional information for my recipes as a courtesy to my readers. It is calculated using the built-in recipe card calculator. While I attempt to provide information that is as accurate as possible, you should calculate the nutritional information independently before relying on it.