Store in the refrigerator for up to several weeks, or freeze for several months for longer preservation.
For a smoother texture, ensure your pumpkin puree is very smooth before cooking. You can use a food processor if needed.
If using canned pumpkin, ensure it is 100% pure pumpkin and not "pumpkin pie filling" which already contains added sugars and spices.
This recipe yields approximately 2 cups of butter.
Adjust the amount of brown sugar or honey to taste if you prefer a less sweet spread.