01 - Preheat oven to 400°F. Prick sweet potatoes several times with a fork, place on a baking sheet, and bake for 45-50 minutes until fork-tender.
02 - While potatoes roast, combine shredded chicken with BBQ sauce in a saucepan over low heat. Stir until heated through.
03 - Remove sweet potatoes from oven. Let cool slightly, then slice each lengthwise and gently fluff the flesh with a fork.
04 - Evenly divide BBQ chicken mixture among sweet potatoes, then top each with shredded cheddar cheese. Return to oven for 5 minutes until cheese melts.
05 - Remove from oven. Top with sliced green onions, red onions, sour cream, and fresh cilantro or parsley. Serve immediately.