Peel and dice the sweet potato into small, uniform 1/2-inch cubes to ensure even cooking.
Heat the olive oil in a large cast-iron skillet over medium heat and add the sweet potato cubes.
Cover the skillet and cook for 8-10 minutes, stirring occasionally, until the potatoes are fork-tender and slightly browned.
Add the diced onion and red bell pepper to the skillet, sautéing for 3 minutes until softened.
Push the vegetables to the side and add the ground turkey, breaking it up with a spatula.
Season the mixture with smoked paprika, garlic powder, sea salt, and black pepper.
Cook until the turkey is fully browned and no longer pink, then toss everything together to combine the flavors.
Garnish with chopped fresh parsley before serving warm.