01 - Preheat oven to 425°F. Line a baking sheet with parchment paper for easy cleanup.
02 - In a large bowl, whisk together maple syrup, olive oil, melted butter, lemon juice, salt, pepper, and cumin if using.
03 - Add carrots to the bowl and toss thoroughly to coat evenly with the glaze mixture.
04 - Spread coated carrots in a single layer on the prepared baking sheet.
05 - Roast for 25 to 30 minutes, stirring once halfway through, until carrots are tender and slightly caramelized at the edges.
06 - Transfer to a serving platter and sprinkle with fresh parsley if desired. Serve warm.