Preheat the oven to 400 degrees F. Place the cubed sweet potato on a baking sheet. Toss with a tablespoon olive or coconut oil. Roast until tender, about 25 minutes.
Place seam side down into the sauce coated dish. Sprinkle the remaining cheese over the top. Bake until bubbly, about 30 minutes. Serve with avocado, salsa, and radish.