Put the diced yam in a microwave-safe bowl; cook in the microwave until cooked through and fork-tender, stirring once, 5 to 7 minutes.
Coat the bottom of a large skillet with olive oil and place over medium heat; cook and stir the turkey until crumbled and evenly brown, 5 to 7 minutes. Stir the onion, garlic, and jalapeno pepper into the turkey and continue cooking until the onions begin to caramelize, 7 to 10 minutes. Season with the chili powder, cumin, Cajun seasoning, and salt. Pour the salsa over everything; fold the sweet potatoes into the mixture. Allow the mixture to cook until the excess moisture evaporates. Garnish with the cilantro. Serve with the warm tortillas.
Garnish with Mexican Crema,Avocados and Cabbage or Lettuce,Lime and RAW cheese