3 organic or unwaxed oranges (Sevilles are good)
90 g caster sugar (twice)
220 ml water (twice)
Peel just the skin of the washed, dried orange with a potato peeler (include only skin, no white pith).
Boil the peels in a syrup made from the sugar and water for 5 minutes. Remove peels from syrup.
5 minutes
Dry peels on a wire rack for 4 hours.
4 hours
Boil peels again in a fresh syrup. Dry again on the wire rack until brittle (about 48 hours).
48 hours
Grind in a clean coffee grinder and store in a sealed container.