Rinse the cranberries and pick out any soft or damaged ones.
2
Combine the sugar and water in a medium saucepan over medium heat, stirring until the sugar dissolves.
3
Add the cranberries, orange zest, orange juice, and salt.
4
Bring to a gentle boil, then reduce the heat and simmer for 10–12 minutes, stirring occasionally, until most of the berries have burst and the sauce has thickened.
5
Remove from the heat; the sauce will thicken more as it cools.
6
Let cool before serving, or refrigerate in a covered container.