In 4-quart saucepan, place yams, potatoes and enough water to cover. Heat to boiling; reduce heat. Cover; simmer 10 to 15 minutes or until soft.
Meanwhile, in 1-quart saucepan, heat butter, honey, chiles, cumin, coriander and paprika to simmering. Remove from heat; keep warm.
Drain yams and potatoes; place in large bowl. Add butter mixture, lime juice, crema, salt and red pepper; mash. Sprinkle with cilantro.