How to can butter

just tried it and its good but it seems a bit salty to me. Could be the salt rises, could be the butter was at the outlet because it was a salty batch. No worrys though this batch will be labeled salted and can be used for cooking or on pancakes with no salt in the mix, etc . I will try unsalted butter tommorrow. Could be that a mix of 50% salted and 50% unsalted is a good way to go. I suggest trying a couple pounds before you do a great amount. Perhaps a bunch of cheap salted mixed with some premium unsalted. Experimenting is recommended.