01 - Preheat your oven to 425°F (220°C). Line a large baking sheet with parchment paper.
02 - In a large bowl, toss the sweet potato cubes with olive oil until evenly coated.
03 - In a small bowl, mix together the sugar, cinnamon, and salt.
04 - Sprinkle half of the cinnamon-sugar mixture over the sweet potatoes and toss to coat.
05 - Arrange the coated sweet potatoes in a single layer on the prepared baking sheet.
06 - Roast for 25–30 minutes, flipping halfway through, until the potatoes are golden, caramelized, and tender.
07 - Remove from the oven and immediately sprinkle the remaining cinnamon-sugar mixture over the hot sweet potatoes. Toss gently and serve warm.