Step 1

Fill a large bowl with ice water and set aside.

Step 2

Add 4 cups (960 ml) of the water to a large saucepan and bring to a boil over high heat. Add the orange slices. Boil for 2 minuteTransfer the orange slices to the bowl of ice water and discard the water.

Step 3

In the same saucepan, add the remaining 4 cups (960 ml) water and the sugar. Bring to a boil over medium heat, stirring occasionally until the sugar has completely dissolved.

Step 4

Turn the heat to medium-low and add the orange slices. Simmer for 45-60 minutes or until rinds are slightly translucent. Gently swirl the oranges every 15 minutes to make sure they are evenly coated with the sugar water.

Step 5

Transfer the slices to a cooling rack set over a large baking sheet. Let them sit for up to 24 hours or until dry.

Step 6

Dip the candied orange slices in granulated sugar, if desired. Use immediately or store them in an airtight container in the refrigerator for up to 1 month.