Make a Hash of It

The first person who made hash must have thought, "O.K., I have these leftover potatoes and some leftover roast, now what?"

And he or she diced those leftovers, fried 'em up together with a little onion, and voila! there was the first hash, certainly a stable of the dinner table when I was a lad.

So, I had the leftover rib-roast from Christmas dinner, wi…