Preheat Broiler
Cut Potatoes into long noodles using spiralizer or stripper. Spread on rimmed baking sheet, drizzle with 2 tbsp. vegetable oil and sprinkle with salt and pepper. Broil until browned in spots and softened, 3 to 5 minutes.
While potatoes are cooking grill chicken breast until completely cooked, when finished slice breast into about 1/2 inch pieces.
Heat remaining 2 Tbsp. of Oil in large non-stick skillet over a medium high heat. Add Red Onion, Bell Pepper and Jalapeño; cook, stirring until softened, about 3 minutes. Add Garlic, Cumin, Chili Powder, Coriander, salt and pepper to taste. Cook stirring occasionally, until vegetables are tender, 3 to 5 minutes.
Add Broiled Sweet Potatoes and Grilled Chicken and 1/4 Cup or Water to skillet. Cook gently tossing until noodles are coated and tender, 1 to 2 minutes. Remove from the heat stir in cilantro and lime juice; season with salt and pepper. Serve with lime wedges.