Date Walnut Rum Truffles

I needed something quick, easy and delicious for Christmas.  I had a difficult time picking a product until someone made a request for these -

Date Walnut Rum Truffles...

Yes, in a heart-shaped candy box!

I remember making these 2 decades ago!  Although those were simple balls (and no rum, at that time!), like these -

But I thought it would be more elegant rolled in cocoa powder. 

Or maybe dipped in melted bittersweet chocolate (next time, I think!)?