Crumble 2/3 box of wafers. Mix with butter. Mix thoroughly to form a ball. Spray pie plate with Pam. Place ball in center of plate and spread in plate. Place remaining wafers along the wall of the dish, covering all of side. Lap the wafers over each other.
In a medium size bowl, mix condensed milk, egg yolks and juice, mixing well. Pour mixture on top of wafers. Bake at 300 degrees for 30 minutes. Beat egg whites until stiff gradually, adding 3 tablespoons sugar. When pie is done, spread meringue over pie. Place in oven and cook until meringue is golden brown. Cool pie on rack. When completely cooled, place in "ice box" to chill, about 3 hours.
