Peel the orange and cut the peel into ¼ inch thick slices. Place in a small saucepan and add enough water to cover by one inch. Bring to a boil and cook for 15 minutes. Drain and rinse with cold water.
In the same saucepan, add 1 ½ cups of water and 1 ½ cups (10.5 oz) of sugar to a boil. Add the orange peel and simmer for 30 minutes, or until softened.
Use a slotted spoon to sieve the orange peel out of the syrup. Toss the orange peel with the remaining sugar and transfer to a baking sheet lined with wax paper. Let the peel dry for a day or two.