Yes you can!
Remove avocado flesh from the skin.
Flip the avocado half over and put some lemon juice on that side too.
Put all of the wrapped avocado halves into a large zip top bag and try to remove as much air as possible before closing. Place bag in freezer. I put the bag on a cutting board in the freezer until they were frozen to keep them stable. When ready to use, remove from freezer and defrost. I'll keep you posted how they are working out!
Here's another handy tip for freezing tomato paste. In case you missed it!
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