Peel and cut carrots into 1/2 inch pieces, place oil or butter in large stock pot over medium heat. Add onion, ginger, and garlic, saute for about 15 minute Add broth, carrots, and (if using) wine. Heat to boiling. Reduce heat and simmer uncovered over medium heat until carrots are tender (about 45 min). Putee in blender with cashews. Season with juice, currey, coriander, salt, and pepper, as desired. Serve hot or cold.