Step 1: Rinse the cranberries and discard any soft ones.

Step 2: Combine the sugar, orange juice, water, cinnamon stick, and salt in a saucepan and stir until the sugar dissolves.

Step 3: Add the cranberries and bring to a boil.

Step 4: Simmer 10 to 12 minutes until most berries pop and the sauce thickens.

Tip: The sauce will thicken more as it cools.

Step 5: Discard the cinnamon stick and stir in the orange zest.

Step 6: Cool, then chill at least 2 hours before serving.