Whip the egg whites to medium peak. Pour in the granulated sugar as the mixer whips and continue whipping until the meringue has reached a stiff peak.
Remove the bowl from the mixer and fold in the sifted confectioners’ sugar.
Pipe bâtons onto a sheet tray, the length of the tray, using a #2 straight tip.
Bake with the vent open for 1 hour, or until the meringue is crisp.
Break into 5-cm / 2-in sticks. Reserve in an airtight container at room temperature. Use silica gel packs to absorb any moisture in the container. If properly kept, they can last for up to 1 week.