Cook 2 sweet potatoes in the microwave until tender, but not too mushy. Peel and cut into small cubes
Heat 2 tbsp oil in large skillet over medium high heat and add bell pepper. Cook until tender. Add ground turkey, breaking up until cooked. Add green part of scallions and cook for 1 minute. Remove from pan into a bowl and set aside.
Add the remaining 4 tbsp oil to the skillet and add the sweet potatoes in a single layer. Let cook (untouched) for 5 minutes until golden brown, stir and allow to cook until potatoes are golden.
Add turkey mixture and season well with salt and pepper.