Preheat your oven to 400°F (200°C) .
Peel and dice the rutabaga into bite-sized cubes.
Toss rutabaga with 1 tablespoon olive oil , salt, and pepper.
Spread evenly on a baking sheet and roast for 25–30 minutes , flipping halfway, until tender and golden.
While the rutabaga roasts, massage the chopped kale with a pinch of salt and a drizzle of olive oil for 2–3 minutes , until softened.
In a large bowl, combine quinoa, roasted rutabaga, and kale.
Whisk together lemon juice, honey or maple syrup, and remaining olive oil. Pour over the bowl and toss gently.
Top with feta and nuts if using. Serve warm or cold.