Place butter in 13-in. x 9-in.x 2-in. baking dish; set aside. In a large bowl, combine the eggs, milk, sugar, vanilla, nutmeg and salt. Stir in the rice and raisins. Transfer to prepared baking dish. bake, uncovered, at 325 degrees F for 30 minutes; sprinkle with coconut. Bake 10-15 minutes longer or until a thermometer reads 160 degrees F. Serve warm. Refrigerate leftovers.