Cut squash in half lengthwise; scoop out and discard seeds. Place squash cut side down in microwave safe dish and 1/2 inch water and microwave 12-14 minutes or until crisp tender.
Meanwhile in a small bowl combine syrup, raisins, butter, cardamom and allspice; set aside.
When squash in cool enough to handle remove rind and cut in 1 inch pieces. Place squash in a 13 by 9 inch baking dish that was coated with non-stick spray. Drizzle with maple syrup mixture.
Cover with foil and bake @ 350 degrees for 20 minutes. Uncover and bake and additional 10-15 minutes longer until tender.