I'm thinking freeze when you only want half the avocado. Another pinner wrote: Freeze avocados once they’re ripe! Great for when they go on sale, or when you need an avocado and they’re all too firm at the store. They keep for MONTHS this way! Who knew?
Quick & Easy Avocado Ideas and How To Freeze Leftovers
Canning butter for long-term food storage- I didn't know this was possible! After reading the instructions, I would suggest you use unsalted butter. This is a great idea if you find butter on a loss-leader (selling below wholesale price) sale!