Preheat oven to 300°F (150°C).
Wash and dry potatoes, then cut into halves. Add cut potatoes, butternut squash, chicken broth, chicken, onions, salt, pepper, garlic powder, cayenne pepper, smoked paprika and chilli powder to a large bowl. Mix well to incorporate all ingredients.
Transfer mixed ingredients to a cast iron skillet, place into the oven and bake for 50-60 minutes.
Remove from oven and garnish with fresh cilantro and lime wedges. Serve from skillet. Be careful, skillet will be hot! Enjoy!