1 lb pork tenderloin, cut into 1/2-inch thick strips
2 tsp purchased taco seasoning mix
1/2 medium onion, sliced
1 cup fresh ripe mango chunks
1 cup light sour cream
1 garlic clove, minced
2 tsp oil
1 small red bell pepper, seeded and sliced
4 flour tortillas, warmed*
2 tsp minced canned chipotle chiles in adobo sauce
1/4 cup minced fresh cilantro