Add the sugar to the lemon peel, taking care to cover the pieces on all sides, then leave to rest at room temperature for about 24 hours.
Useful tips and interesting facts
The purpose of boiling the lemon peel three times is to eliminate the bitter taste of citrus pith. This step is essential to obtain candied peel that is soft and sweet. If you prefer your caramelised lemon slices and candied peel to have an attractive dark colour, use brown sugar instead of white.
Store the caramelised lemon slices in a glass jar covered with their cooking syrup and the candied lemon peel in hermetically sealed glass jars. Both products may be used for cake-making. In the case of candied lemon peel, you have a sweet and healthy snack ready for eating. The caramelised lemon slices are excellent for using as a garnish for hot beverages such as teas, infusions and herbal teas.
The same method may also be used for oranges, citrons and bergamots.