Optional for serving: warm tortillas, avocado, sour cream
Boil: Peel and roughly chop sweet potato. Bring a pot of water to a boil and add sweet potatoes. Cook for 10 minutes, or until fork-tender.
Bake: Meanwhile, preheat oven to 400 degrees F (204 C). Add sliced peppers, onion, corn, and beans to a large rimmed baking sheet, Drizzle with oil and sprinkle over the spices, then gently toss to coat. Add boiled sweet potato to the tray, gently toss once more, then bake for 15 minutes.