First, in the Instant Pot, combine the cranberries, orange juice, cinnamon, vodka, and orange zest.
12 ounces fresh cranberries, ½ cup freshly squeezed orange juice, ¼ teaspoon ground cinnamon, ¼ cup vodka, ¼ teaspoon orange zest
Next, set the device to Manual/High Pressure for 5-minutes.
After that, preform a natural release for 10-minutes, unseal the pressure cooker, and set it to Saute/Cook.
Then, stir in the sugar and let it cook down to your desired thickness.
½ cup granulated sugar
Last, once the sauce is thick enough for you, remove it and serve.
Notes
The calories listed are an approximation based on the ingredients and a 1/4-cup serving size. The sauce can be stored in your fridge for up to 3-days in a sealed container.