In a large frying pan, heat 2 Tbsp. oil and add the onion. On medium heat, cook the onion 10-15 minutes until done. Remove onion from the pan; set aside. Add the remaining oil and sweet potatoes and saute for 5 minutes on medium, stirring. Add a tiny bit of water and place the lid on the sweet potatoes to simmer for additional 5 minutes. Add the potatoes to the onions; set aside.
Cook the ground turkey, making into small pieces. Add the salt and cook for 10 minutes. Season the ground turkey with remaining seasonings. Add sweet potato and onion mixture and gently stir. Drizzle with worcestershire sauce or coconut aminos. Season to taste.
Serve with taco toppings for enchiladas, tacos, bowls, salad, etc.