melted unsweetened chocolate
1Mix sugar, Karo, water and salt together in pan, cook over medium heat to boil, reduce heat. Cook without stirring to 248 degrees.
2Beat egg whites until stiff. Pour 1/2 of the syrup mixture over egg whites, beating constantly.
3Cook the remaining half of the syrup mixture to 272 degrees. Add slowly to the first mixture,continue beating for 5 minutes.
4Add melted chocolate and vanilla. Beat until mixture holds it shape.
5Add nuts and drop by spoonfuls onto waxed paper lined cookie sheet.