2 large sweet potatoes, peeled and cubed
3 tablespoons olive oil
2 teaspoons packed brown sugar
1 1/2 tablespoons paprika
1/2 teaspoon ground black pepper
1/2 teaspoon onion powder
1/2 teaspoon garlic powder
1/2 teaspoon poultry seasoning
1/2 teaspoon chili powder
1 pinch cayenne pepper