Preheat the
oven to moderately hot 200C (400F / Gas 6). Cut the parsnips, carrots
and sweet potatoes into 10cm (4 inch) lengths. Place all the vegetables
and garlic in a large baking dish, and drizzle with the oil and honey.
Sprinkle with the cumin seeds, pepper and salt. Toss to coat. Bake the
vegetables for 40-50 minutes, or until they are tender inside and golden
brown outside.