01 -
Rinse and drain cranberries, removing any stems or damaged fruit. Zest and juice the orange until measuring ½ cup of juice.
02 -
Place cranberries, granulated sugar, brown sugar, orange juice, orange zest, water, vanilla extract, cinnamon, and salt into the slow cooker. Stir to combine thoroughly.
03 -
Set slow cooker to LOW and cook uncovered for 4 hours, stirring once or twice to promote even breakdown of cranberries. Check for desired consistency occasionally.
04 -
After cooking, taste and adjust sweetness or acidity by adding sugar or orange juice if needed. Mash some cranberries for smoother texture or leave as is for chunkiness.
05 -
Allow sauce to cool to room temperature. Use immediately, refrigerate in airtight containers for up to one week, or chill for later use. Sauce will thicken further as it cools.