This is an amazing variation on meringue cookies. They are giant kiss shapes filled with pieces of walnut and chewy raisins. The nuts and fruit make an excellent contrast to the crisp meringue.
Set racks in the upper and lower thirds of the oven and preheat to 300 degrees.
In the bowl of a standing electric mixer fitted with the whip attachment, whip the egg whites and salt on medium speed for about 3 or 4 minutes or until white and opaque an