01 - Preheat the oven to 425°F and line a large baking sheet with parchment paper.
02 - In a large bowl, toss the sweet potato cubes with olive oil, sea salt, black pepper, smoked paprika, and garlic powder until evenly coated.
03 - Spread the coated sweet potatoes in a single layer on the prepared baking sheet, avoiding overcrowding.
04 - Roast for 25 to 30 minutes, stirring halfway through, until edges are caramelized and centers are tender.
05 - Transfer the roasted sweet potatoes to a serving dish, garnish with fresh parsley if desired, and serve hot.