Jam or syrup. Sometimes if we don't have time to preserve them properly, we'll just freeze them for future use. The best way is to freeze them individually on a baking sheet, then package them up, so they're not frozen together into a big block.

Yeah, they're covered in those tiny little needle-like thorns, so it's best to relocate them somewhere out of the way. That's not too difficult, though, since they're tough as nails. As long as you get a little bit of the root and keep them watered, they transplant very easily.