Get everything hot over medium heat and then reduce the heat to low. Watch this process carefully as the mixture can boil up and cook over very quickly once it's hot.
As it cooks, stir constantly. The honey has a tendency to burn on the bottom of the pot if you don't.
Cook down by about a quarter of what's in the pot.
Ladle hot cranberry butter into canning jars and allow to cool with the lids off. Store in the fridge for up to 3 weeks. Freeze in small portions if desired.
Put lids on jars and place in the fridge.
NOTE: Not recommended for canning. Store in the fridge.
Notes
Please note that the nutrition data is a ballpark figure. Exact data is not possible.