Peel parsnips; cut into 2- x 1/2-inch (5 x 1cm) sticks.
In bowl, toss together parsnips, oil, cumin, coriander, salt and pepper. Bake on greased baking sheet in 425° F (220°C) oven, turning occasionally, for 30 to 40 minutes or until browned and tender.
In small bowl, stir together yogurt, curry paste and green onion. Serve sauce with parsnip fries.