Put sugar, butter, chocolate, milk, and salt in a saucepan; heat slowly to boiling point, and boil to 240° F., or until a soft ball can be formed when tested in cold water; remove from fire, add nuts, and beat until smooth and creamy.

534.—MARSHMALLOW FILLING

1 cup sugar½ pound marshmallows
1/3 cup boiling water1 teaspoon vanilla

Boil sugar and water to 240° F., or until a soft ball can be formed when tested in cold water; soften marshmallows over hot water, add sirup, and when partly cooled add vanilla and beat until stiff enough to spread. Chopped nuts, dates, figs, raisins, or candied fruits may be added.

535.—MOCHA FILLING

2 tablespoons hot black coffee½ teaspoon vanilla
1 tablespoon butter1 cup confectioners' sugar
2 tablespoons cocoa

Mix coffee, butter, cocoa, and vanilla, and add sugar enough for mixture to spread without running.

536.—ORANGE FILLING

½ cup sugar½ cup orange juice
3 tablespoons flour1 beaten egg
Grated rind ½ orange1 teaspoon butter

Mix sugar, flour, and rind in the top of double boiler, add orange juice, egg, and butter, and cook over hot water for twelve minutes, stirring often.