1/2 medium rutabaga, peeled and cut into 1/4-inch slices (2 1/2 to 3 cups)
2 medium carrots, sliced diagonally
2 large sweet potatoes, peeled, sliced into 1/4-inch slices and kept in cold water until ready to use
3 Tbs. vegetable oil
1 medium onion, chopped
3 cloves garlic, minced
1-inch piece fresh ginger, chopped or grated
1 tsp. turmeric
1 tsp. coriander seeds, lightly crushed
3 tsp. cumin seeds, lightly crushed
2 tsp. fresh lemon juice
1/3 cup sunflower seeds
Preheat oven to 400°F.
Bring large pot of water to a boil. When water boils, lightly salt water, then rutabaga, carrots and sweet potato slices and boil 5 minutes. Drain, reserving about 1/2 cup of cooking liquid.
In Dutch oven, heat oil over medium heat. Add onion, garlic, ginger and turmeric and cook, stirring often, 3 to 4 minutes. Add coriander and cumin seeds to mixture, then add drained sweet potatoes, rutabagas and carrots. Toss gently over heat 5 minutes. Pour 1/2 cup of reserved cooking liquid over vegetables, and squeeze lemon juice over top.
Cover and bake 1 hour. Remove cover. Scatter sunflower seeds over top and bake 10 minutes more. Serve warm.