Place sweet potatoes in large saucepan with enough water just to cover. Bring to a rapid simmer; cook sweet potatoes 15 to 20 min., or until tender. Drain, keeping sweet potatoes in saucepan.
While sweet potatoes are hot, add cream cheese spread, butter, cumin, salt and pepper. Mash until smooth. Stir in chives, cilantro or parsley. Transfer to serving dish. Garnish with pecans and additional chopped herbs. Serve hot.