01 - Preheat oven to 400°F. Line a baking sheet with parchment paper.
02 - In a large bowl, toss the parsnips and carrots with olive oil, honey, chopped tarragon, salt, and pepper until evenly coated.
03 - Spread the vegetables out in a single layer on the prepared baking sheet.
04 - Roast for 30–35 minutes, turning once halfway, until the vegetables are golden, tender, and caramelized at the edges.
05 - Transfer to a serving platter. Garnish with chopped parsley and extra tarragon leaves if desired. Serve warm.