I purchased a can of Fondarific on clearance. I knew it would likely be hard, but I figured I would add some oil and warm it with my hands and kneed it until it softened...
Then I read on the tub that you could microwave it for a few seconds to soften.
I don't know why this never occurred to me, but it didn't and I have the painful joints to prove it.
And it's PERFECT right out of the micro. It rolls like a dream. OMG where has this information been all my life?